MarBEF Data System


WoRMS taxon details

Trochus Linnaeus, 1758

138598  (urn:lsid:marinespecies.org:taxname:138598)

  1. Biota
  2. Animalia (Kingdom)
  3. Mollusca (Phylum)
  4. Gastropoda (Class)
  5. Vetigastropoda (Subclass)
  6. Trochida (Order)
  7. Trochoidea (Superfamily)
  8. Trochidae (Family)
  9. Trochinae (Subfamily)
  10. Trochus (Genus)
accepted
Genus
Lamprostoma Swainson, 1840 · unaccepted > junior subjective synonym
Monodonta (Trochus) Linnaeus, 1758 · unaccepted > superseded rank
Polydonta Schumacher, 1817 · unaccepted > junior subjective synonym
Trochus (Camelotrochus) B. A. Marshall, 1998 · alternative representation
Trochus (Infundibulops) Pilsbry, 1889 · alternative representation
Trochus (Polydonta) Schumacher, 1817 · unaccepted (synonym)
Trochus (Praecia) J. E. Gray, 1857 · alternative representation
Trochus (Trochus) Linnaeus, 1758 · alternative representation

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  1. Species Trochus calcaratus Souverbie, 1875
  2. Species Trochus californicus (A. Adams, 1853)
  3. Species Trochus camelophorus W. H. Webster, 1906
  4. Species Trochus cariniferus Reeve, 1842
  5. Species Trochus chloromphalus (A. Adams, 1853)
  6. Species Trochus concinnus R. A. Philippi, 1846
  7. Species Trochus cumingii A. Adams, 1853 (accepted > unreplaced junior homonym, not Trochus cumingii Philippi, 1846.)
  8. Species Trochus elegantulus W. Wood, 1828
  9. Species Trochus erithreus Brocchi, 1821
  10. Species Trochus fastigiatus A. Adams, 1853
  11. Species Trochus ferreirai Bozzetti, 1996
  12. Species Trochus firmus R. A. Philippi, 1850
  13. Species Trochus flammulatus Lamarck, 1822
  14. Species Trochus fultoni Melvill, 1898 (accepted > unreplaced junior homonym)
  15. Species Trochus histrio Reeve, 1861
  16. Species Trochus intextus Kiener, 1850
  17. Species Trochus kochii R. A. Philippi, 1844
  18. Species Trochus kotschyi R. A. Philippi, 1849
  19. Species Trochus laciniatus Reeve, 1861
  20. Species Trochus maculatus Linnaeus, 1758
  21. Species Trochus moniliferus Lamarck, 1816
  22. Species Trochus nigropunctatus Reeve, 1861
  23. Species Trochus ochroleucus Gmelin, 1791
  24. Species Trochus radiatus Gmelin, 1791
  25. Species Trochus rota Dunker, 1860
  26. Species Trochus sacellum R. A. Philippi, 1855
  27. Species Trochus squarrosus Lamarck, 1822
  28. Species Trochus stellatus Gmelin, 1791
  29. Species Trochus subincarnatus P. Fischer, 1879
  30. Species Trochus submorum (Abrard, 1942)
  31. Species Trochus tentorium Gmelin, 1791
  32. Species Trochus tubiferus Kiener, 1850
  33. Species Trochus venetus Reeve, 1862
  34. Species Trochus zhangi Z.-Z. Dong, 2002
  35. Subgenus Trochus (Anthora) J. E. Gray, 1857 accepted as Coelotrochus P. Fischer, 1879 (homonym of Anthora Doubleday, 1844.)
    1. Subgenus Trochus (Aphanotrochus) E. von Martens, 1880 accepted as Priotrochus P. Fischer, 1879 (objective junior synonym)
      1. Species Trochus (Aphanotrochus) chrysolaemus E. von Martens, 1880 accepted as Priotrochus goudoti (P. Fischer, 1878)
      2. Species Trochus (Aphanotrochus) obscurus W. Wood, 1828 accepted as Priotrochus obscurus (W. Wood, 1828)
    2. Subgenus Trochus (Belangeria) P. Fischer, 1879 accepted as Clanculus Montfort, 1810
      1. Species Trochus (Belangeria) scabrosus R. A. Philippi, 1850 accepted as Clanculus scabrosus (R. A. Philippi, 1850) (unaccepted > superseded combination)
    3. Subgenus Trochus (Bembix) R. B. Watson, 1879 accepted as Bathybembix Crosse, 1893
      1. Species Trochus (Bembix) abyssorum E. A. Smith, 1891 accepted as Bathybembix abyssorum (E. A. Smith, 1891) (superseded combination)
    4. Subgenus Trochus (Calcar) Montfort, 1810 accepted as Astralium Link, 1807 (unaccepted > superseded rank)
      1. Species Trochus (Calcar) erythropthalmus R. A. Philippi, 1849 accepted as Uvanilla olivacea (W. Wood, 1828) (unaccepted > junior subjective synonym)
      2. Species Trochus (Calcar) melchersi Menke, 1851 accepted as Uvanilla olivacea (W. Wood, 1828) (unaccepted > junior subjective synonym)
    5. Subgenus Trochus (Calliostoma) Swainson, 1840 accepted as Calliostoma Swainson, 1840 (original rank)
      1. Species Trochus (Calliostoma) adamsi Brazier, 1895 accepted as Fautor comptus (A. Adams, 1855)
      2. Species Trochus (Calliostoma) shinagawensis Tokunaga, 1906 accepted as Calliostoma shinagawense (Tokunaga, 1906) (unaccepted > superseded combination)
      3. Species Trochus (Calliostoma) sublaevis (E. A. Smith, 1895) accepted as Calliostoma sublaeve E. A. Smith, 1895
        1. Variety Trochus (Calliostoma) sublaevis var. chuni E. von Martens, 1904 accepted as Calliostoma chuni (E. von Martens, 1904) (basionym)
    6. Subgenus Trochus (Cantharidus) Montfort, 1810 accepted as Cantharidus Montfort, 1810 (unaccepted > superseded rank)
      1. Species Trochus (Cantharidus) huttonii E. A. Smith, 1876 accepted as Cantharidus huttonii (E. A. Smith, 1876) (superseded combination)
    7. Subgenus Trochus (Cardinalia) Gray, 1842 accepted as Rochia J. E. Gray, 1857
      1. Species Trochus (Cardinalia) virgatus Gmelin, 1791 accepted as Rochia virgata (Gmelin, 1791) (unaccepted > superseded combination)
    8. Subgenus Trochus (Chlorostoma) Swainson, 1840 accepted as Tegula R. P. Lesson, 1833 (unaccepted > junior subjective synonym)
      1. Species Trochus (Chrlorostoma) brunneus R. A. Philippi, 1849 accepted as Tegula brunnea (R. A. Philippi, 1849) (unaccepted > superseded combination)
    9. Subgenus Trochus (Circulus) Jeffreys, 1865 accepted as Circulus Jeffreys, 1865 (original rank)
    10. Subgenus Trochus (Coelotrochus) P. Fischer, 1879 accepted as Coelotrochus P. Fischer, 1879 (superseded combination)
      1. Species Trochus (Coelotrochus) tiaratus Quoy & Gaimard, 1834 accepted as Coelotrochus tiaratus (Quoy & Gaimard, 1834) (superseded combination)
    11. Subgenus Trochus (Collonia) Gray, 1850 accepted as Collonia J. E. Gray, 1850
      1. Species Trochus (Collonia) verruca A. Gould, 1845 accepted as Homalopoma verruca (A. Gould, 1845) (unaccepted > superseded combination)
    12. Subgenus Trochus (Delphinula) Lamarck, 1804 accepted as Delphinula Lamarck, 1804
      1. Species Trochus (Delphinula) tuberculosus A. d'Orbigny, 1842 accepted as Parviturbo tuberculosus (A. d'Orbigny, 1842) (original combination)
    13. Subgenus Trochus (Diloma) R. A. Philippi, 1845 accepted as Diloma R. A. Philippi, 1845 (unaccepted > superseded rank)
      1. Species Trochus (Diloma) radula R. A. Philippi, 1849 accepted as Diloma radula (R. A. Philippi, 1849) (superseded combination)
    14. Subgenus Trochus (Euchele) [sic] accepted as Euchelus R. A. Philippi, 1847 (unaccepted > superseded rank, misspelling by Philippi, 1849)
      1. Species Trochus (Euchele) circulatus R. A. Philippi, 1849 accepted as Euchelus circulatus (R. A. Philippi, 1849) (original combination)
      2. Species Trochus (Euchele) horridus R. A. Philippi, 1849 accepted as Euchelus horridus (R. A. Philippi, 1849) (unaccepted > superseded combination)
      3. Species Trochus (Euchele) oxytropis R. A. Philippi, 1848 accepted as Euchelus oxytropis (R. A. Philippi, 1848) (unaccepted > superseded combination)
      4. Species Trochus (Euchele) pullatus Anton, 1849 (uncertain > taxon inquirendum)
    15. Subgenus Trochus (Eurytrochus) Fischer, 1879 accepted as Eurytrochus P. Fischer, 1879
    16. Subgenus Trochus (Eutrochus) A. Adams, 1864 accepted as Astele Swainson, 1855
      1. Subgenus Trochus (Forskalia) H. Adams & A. Adams, 1854 accepted as Gibbula Risso, 1826
        1. Species Trochus (Forskalia) fanulum Gmelin, 1791 accepted as Gibbula fanulum (Gmelin, 1791)
          1. Variety Trochus (Forskalia) fanulum var. albosordida Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula fanulum (Gmelin, 1791)
          2. Variety Trochus (Forskalia) fanulum var. rubra Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula fanulum (Gmelin, 1791)
          3. Variety Trochus (Forskalia) fanulum var. varia Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula fanulum (Gmelin, 1791)
      2. Subgenus Trochus (Gibbium) J. E. Gray, 1842 accepted as Micrelenchus H. J. Finlay, 1926 (invalid, junior homonym of Gibbium Scopoli, 1777)
        1. Species Trochus (Gibbium) sanguineus J. E. Gray, 1843 accepted as Micrelenchus sanguineus (J. E. Gray, 1843) (unaccepted > superseded combination)
      3. Subgenus Trochus (Gibbula) Risso, 1826 accepted as Gibbula Risso, 1826
        1. Species Trochus (Gibbula) ardens Salis Marschlins, 1793 accepted as Gibbula ardens (Salis Marschlins, 1793)
          1. Variety Trochus (Gibbula) ardens var. ornata Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula ardens (Salis Marschlins, 1793) (synonym)
        2. Species Trochus (Gibbula) corallinus E. A. Smith, 1875 accepted as Homalopoma amussitatum (A. Gould, 1861) (junior subjective synonym)
        3. Species Trochus (Gibbula) fulgens (A. Gould, 1861) accepted as Gibbula cicer (R. A. Philippi, 1844) (unaccepted > junior subjective synonym)
        4. Species Trochus (Gibbula) glyptus R. B. Watson, 1879 accepted as Calliotropis glypta (R. B. Watson, 1879) (unaccepted > superseded combination)
        5. Species Trochus (Gibbula) holdsworthana (G. Nevill & H. Nevill, 1871) accepted as Conotalopia musiva (A. Gould, 1861) (junior synonym)
        6. Species Trochus (Gibbula) japonicus E. A. Smith, 1875 accepted as Enida japonica A. Adams, 1860 (unaccepted > junior subjective synonym)
        7. Species Trochus (Gibbula) kotschyi R. A. Philippi, 1849 accepted as Trochus kotschyi R. A. Philippi, 1849 (subgenus not accepted)
        8. Species Trochus (Gibbula) leaensis R. B. Watson, 1880 accepted as Gibbula zonata (W. Wood, 1828) (unaccepted > junior subjective synonym)
        9. Species Trochus (Gibbula) mariei Fischer, 1886 accepted as Pagodatrochus variabilis (H. Adams, 1873)
        10. Species Trochus (Gibbula) ponsonbyi G. B. Sowerby III, 1888 accepted as Priotrochus obscurus ponsonbyi (G. B. Sowerby III, 1888) † (unaccepted > superseded combination)
        11. Species Trochus (Gibbula) scamnatus P. Fischer, 1878 accepted as Micrelenchus tenebrosus (A. Adams, 1853) (junior subjective synonym)
        12. Species Trochus (Gibbula) succinctus Monterosato, 1880 accepted as Gibbula subcincta Monterosato, 1888 (unaccepted > junior homonym, junior homonym of Gibbula succincta Carpenter, 1864; Gibbula subcincta Monterosato, 1888 and Gibbula exsubcincta Sacco, 1896 are replacement names)
          1. Variety Trochus (Gibbula) succinctus var. albida Monterosato, 1880 accepted as Gibbula subcincta Monterosato, 1888 (unaccepted > junior subjective synonym)
          2. Variety Trochus (Gibbula) succinctus var. atropurpurea Monterosato, 1880 accepted as Gibbula subcincta Monterosato, 1888 (unaccepted > junior subjective synonym)
          3. Variety Trochus (Gibbula) succinctus var. flavida Monterosato, 1880 accepted as Gibbula subcincta Monterosato, 1888 (unaccepted > junior subjective synonym)
        13. Species Trochus (Gibbula) supragranosus E. A. Smith, 1876 accepted as Gibbula supragranosa (E. A. Smith, 1876) (basionym)
        14. Species Trochus (Gibbula) yamadanus E. A. Smith, 1875 accepted as Lirularia yamadana (E. A. Smith, 1875) (basionym)
        15. Species Trochus (Gibbula) amirantium E. A. Smith, 1884 (uncertain > taxon inquirendum)
      4. Subgenus Trochus (Heliacus) A. d'Orbigny, 1842 accepted as Heliacus A. d'Orbigny, 1842 (superseded combination)
      5. Subgenus Trochus (Infundibulum) Montfort, 1810 accepted as Infundibulum Montfort, 1810
        1. Species Trochus (Infundibulum) baccatus G. B. Sowerby III, 1889 accepted as Trochus cariniferus Reeve, 1842 (invalid: junior homonym of Trochus baccatus Millet, 1865)
        2. Species Trochus (Infundibulum) chloromphalus (A. Adams, 1853) accepted as Trochus chloromphalus (A. Adams, 1853)
        3. Species Trochus (Infundibulum) fultoni Melvill, 1898 accepted as Trochus fultoni Melvill, 1898
        4. Species Trochus (Infundibulum) kochi R. A. Philippi, 1844 accepted as Trochus kochii R. A. Philippi, 1844 (subgenus not accepted)
        5. Species Trochus (Infundibulum) nigropunctatus Reeve, 1861 accepted as Trochus nigropunctatus Reeve, 1861
        6. Species Trochus (Infundibulum) oppressus (F. W. Hutton, 1878) accepted as Coelotrochus oppressus (F. W. Hutton, 1878) (superseded combination)
          1. Variety Trochus (Infundibulum) oppressus var. dunedinensis Suter, 1897 accepted as Coelotrochus chathamensis (F. W. Hutton, 1873) (junior subjective synonym)
        7. Species Trochus (Infundibulum) optatus G. B. Sowerby III, 1909 accepted as Trochus optatus G. B. Sowerby III, 1909 (subgenus not accepted)
        8. Species Trochus (Infundibulum) tomlini Fulton, 1930 accepted as Infundibulum tomlini (Fulton, 1930) (superseded combination)
      6. Subgenus Trochus (Jujubinus) Monterosato, 1884 accepted as Jujubinus Monterosato, 1884
        1. Species Trochus (Jujubinus) igneus Sturany, 1896 accepted as Jujubinus exasperatus (Pennant, 1777)
      7. Subgenus Trochus (Liotrochus) P. Fischer, 1878 accepted as Ethalia H. Adams & A. Adams, 1854
      8. Subgenus Trochus (Lischkeia) P. Fischer, 1879 accepted as Lischkeia P. Fischer, 1879
        1. Species Trochus (Lischkeia) moniliferus Lamarck, 1816 accepted as Trochus moniliferus Lamarck, 1816
      9. Subgenus Trochus (Livona) J. E. Gray, 1842 accepted as Cittarium R. A. Philippi, 1847 (unaccepted > junior subjective synonym)
        1. Species Trochus (Livona) ephebocostalis Grabau & S. G. King, 1928 accepted as Omphalius rusticus (Gmelin, 1791)
        2. Species Trochus (Livona) picoides A. Gould, 1853 accepted as Livona pica (Linnaeus, 1758) (junior subjective synonym)
      10. Subgenus Trochus (Margarita) Leach, 1819 accepted as Margarites Leach, 1847 (non Leach, 1814)
        1. Species Trochus (Margarita) aeglees R. B. Watson, 1879 accepted as Calliotropis aeglees (R. B. Watson, 1879) (unaccepted > superseded combination)
        2. Species Trochus (Margarita) azorensis R. B. Watson, 1879 accepted as Ethalia azorensis (R. B. Watson, 1879) (unaccepted > superseded combination)
        3. Species Trochus (Margarita) brychius R. B. Watson, 1879 accepted as Solariella brychia (R. B. Watson, 1879) (unaccepted > superseded combination)
        4. Species Trochus (Margarita) charopus R. B. Watson, 1879 accepted as Solariella charopa (R. B. Watson, 1879) (unaccepted > superseded combination)
        5. Species Trochus (Margarita) clavatus R. B. Watson, 1879 accepted as Echinogurges clavatus (R. B. Watson, 1879) (unaccepted > superseded combination)
        6. Species Trochus (Margarita) dnopherus R. B. Watson, 1879 accepted as Margarites dnopherus (R. B. Watson, 1879) (unaccepted > superseded combination)
        7. Species Trochus (Margarita) eudeli Deshayes, 1863 accepted as Ethminolia eudeli (Deshayes, 1863) (basionym)
        8. Species Trochus (Margarita) hillii Forbes, 1852 accepted as Margarella expansa (G. B. Sowerby I, 1838)
        9. Species Trochus (Margarita) infundibulum R. B. Watson, 1879 accepted as Calliotropis infundibulum (R. B. Watson, 1879) (superseded combination)
        10. Species Trochus (Margarita) lima R. B. Watson, 1879 accepted as Solariella rhina (R. B. Watson, 1886) (unaccepted > junior subjective synonym)
        11. Species Trochus (Margarita) minima G. Seguenza, 1876 accepted as Mikro minimus (G. Seguenza, 1876) (unaccepted > superseded combination)
        12. Species Trochus (Margarita) nudiusculus E. von Martens, 1881 accepted as Calliostoma nudiusculum (E. von Martens, 1881)
        13. Species Trochus (Margarita) pompholugotus R. B. Watson, 1879 accepted as Solariella pompholugota (R. B. Watson, 1879) (unaccepted > superseded combination)
        14. Species Trochus (Margarita) purpuratus Forbes, 1852 accepted as Photinastoma taeniatum (G. B. Sowerby I, 1825)
        15. Species Trochus (Margarita) rhina R. B. Watson, 1886 accepted as Solariella rhina (R. B. Watson, 1886) (unaccepted > superseded combination)
        16. Species Trochus (Margarita) rhysus R. B. Watson, 1879 accepted as Calliotropis rhysa (R. B. Watson, 1879) (unaccepted > superseded combination)
        17. Species Trochus (Margarita) scintillans R. B. Watson, 1879 accepted as Margarites scintillans (R. B. Watson, 1879) (unaccepted > superseded combination)
        18. Species Trochus (Margarita) striatula Garrett, 1857 accepted as Trochus (Margarita) striatulus Garrett, 1857 (unaccepted > incorrect grammatical agreement of specific epithet)
        19. Species Trochus (Margarita) striatulus Garrett, 1857 accepted as Calliotrochus marmoreus (Pease, 1861) (unaccepted > junior homonym, invalid: junior homonym of Trochus striatulus Deshayes, 1842)
        20. Species Trochus (Margarita) vancouverensis E. A. Smith, 1880 accepted as Solariella vancouverensis (E. A. Smith, 1880) (basionym)
        21. Species Trochus (Margarita) beecheyanus E. von Martens, 1872 (uncertain > unassessed)
        22. Species Trochus (Margarita) coulsoni H. K. Jordan, 1895 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
        23. Species Trochus (Margarita) pachychiles R. B. Watson, 1879 (uncertain > taxon inquirendum)
        24. Species Trochus (Margarita) streptophorus R. B. Watson, 1886 (uncertain > taxon inquirendum)
        25. Species Trochus (Margarita) venustulus R. A. Philippi, 1858 (uncertain > unassessed)
      11. Subgenus Trochus (Minolia) A. Adams, 1860 accepted as Minolia A. Adams, 1860
        1. Species Trochus (Minolia) semiustus P. Fischer, 1879 accepted as Vanitrochus semiustus (P. Fischer, 1879) (unaccepted > superseded combination)
      12. Subgenus Trochus (Monilea) Swainson, 1840 accepted as Monilea Swainson, 1840
        1. Species Trochus (Monilea) calyculus W. Wood, 1828 accepted as Talopena calyculus (W. Wood, 1828) (unaccepted > superseded combination)
        2. Species Trochus (Monilea) lifuanus P. Fischer, 1878 accepted as Sericominolia lifuana (P. Fischer, 1878) (unaccepted > superseded combination)
        3. Species Trochus (Monilea) masoni G. Nevill & H. Nevill, 1874 accepted as Talopena masoni (G. Nevill & H. Nevill, 1874) (unaccepted > superseded combination)
        4. Species Trochus (Monilea) rhodomphalus Souverbie, 1875 accepted as Ethaliella rhodomphala (Souverbie, 1875) (basionym)
        5. Species Trochus (Monilea) warnefordi G. Nevill & H. Nevill, 1874 accepted as Monilea warnefordi (G. Nevill & H. Nevill, 1874) (basionym)
      13. Subgenus Trochus (Monodonta) Lamarck, 1799 accepted as Monodonta Lamarck, 1799
        1. Species Trochus (Monodonta) atropurpureus A. Gould, 1849 accepted as Clanculus samoensis (Hombron & Jacquinot, 1848) (junior subjective synonym)
        2. Species Trochus (Monodonta) aureotinctus Forbes, 1852 accepted as Tegula aureotincta (Forbes, 1852) (basionym)
        3. Species Trochus (Monodonta) colubrinus A. Gould, 1849 accepted as Phorcus sauciatus (F. C. L. Koch, 1845) (junior subjective synonym)
        4. Species Trochus (Monodonta) dunkeri F. C. L. Koch, 1843 accepted as Clanculus dunkeri (F. C. L. Koch, 1843) (unaccepted > superseded combination)
        5. Species Trochus (Monodonta) gallina Forbes, 1852 accepted as Tegula gallina (Forbes, 1852) (basionym)
        6. Species Trochus (Monodonta) gemmatus A. Gould, 1845 accepted as Herpetopoma gemmatum (A. Gould, 1845) (superseded combination)
        7. Species Trochus (Monodonta) instrictus A. Gould, 1849 accepted as Herpetopoma instrictum (A. Gould, 1849) (unaccepted > superseded combination)
        8. Species Trochus (Monodonta) millelineatus Bonnet, 1864 accepted as Chlorodiloma millelineata (Bonnet, 1864) (unaccepted > superseded combination)
        9. Species Trochus (Monodonta) philippii F. C. L. Koch, 1843 accepted as Clanculus philippii (F. C. L. Koch, 1843) (unaccepted > superseded combination)
        10. Species Trochus (Monodonta) pyriformis A. Gould, 1853 accepted as Tegula gallina (Forbes, 1852) (junior subjective synonym)
        11. Species Trochus (Monodonta) rotellinus A. Gould, 1849 accepted as Camitia rotellina (A. Gould, 1849) (superseded combination)
        12. Species Trochus (Monodonta) sitis Récluz, 1843 accepted as Phorcus mutabilis (R. A. Philippi, 1851) (synonym)
        13. Species Trochus (Monodonta) vermiculatus P. Fischer, 1874 accepted as Monodonta vermiculata (P. Fischer, 1874) (basionym)
        14. Species Trochus (Monodonta) zeus P. Fischer, 1874 accepted as Austrocochlea zeus (P. Fischer, 1874) (basionym)
      14. Subgenus Trochus (Odontotrochus) P. Fischer, 1879 accepted as Odontotrochus P. Fischer, 1879 (original rank)
      15. Subgenus Trochus (Omphalius) R. A. Philippi, 1847 accepted as Tegula R. P. Lesson, 1833
        1. Species Trochus (Omphalius) cooksoni E. A. Smith, 1877 accepted as Agathistoma cooksoni (E. A. Smith, 1877) (unaccepted > superseded combination)
      16. Subgenus Trochus (Osilinus) R. A. Philippi, 1847 accepted as Phorcus Risso, 1826 (junior subjective synonym)
        1. Species Trochus (Osilinus) capillaceus R. A. Philippi, 1849 accepted as Cantharidus capillaceus (R. A. Philippi, 1849) (unaccepted > superseded combination)
      17. Subgenus Trochus (Oxystele) R. A. Philippi, 1847 accepted as Oxystele R. A. Philippi, 1847 (unaccepted > superseded rank)
        1. Species Trochus (Oxystele) fulguratus R. A. Philippi, 1849 accepted as Oxystele fulgurata (R. A. Philippi, 1849) (unaccepted > superseded combination)
        2. Species Trochus (Oxystele) tabularis Krauss, 1848 accepted as Oxystele tabularis (Krauss, 1848) (basionym)
      18. Subgenus Trochus (Pagodella) Swainson, 1840 accepted as Tectarius (Tectarius) Valenciennes, 1832
        1. Species Trochus (Pagodella) major Swainson, 1840 accepted as Tectarius pagodus (Linnaeus, 1758)
      19. Subgenus Trochus (Phorcus) Risso, 1826 accepted as Phorcus Risso, 1826
        1. Species Trochus (Phorcus) crinitus R. A. Philippi, 1849 accepted as Chlorodiloma crinita (R. A. Philippi, 1849) (unaccepted > superseded combination)
        2. Species Trochus (Phorcus) gruneri R. A. Philippi, 1849 accepted as Agathistoma gruneri (R. A. Philippi, 1849) (unaccepted > superseded combination)
        3. Species Trochus (Phorcus) kotschyi R. A. Philippi, 1849 accepted as Trochus kotschyi R. A. Philippi, 1849 (subgenus not accepted)
        4. Species Trochus (Phorcus) panamensis R. A. Philippi, 1849 accepted as Agathistoma panamense (R. A. Philippi, 1849) (unaccepted > superseded combination)
        5. Species Trochus (Phorcus) preissianus R. A. Philippi, 1849 accepted as Notogibbula preissiana (R. A. Philippi, 1849) (unaccepted > superseded combination)
        6. Species Trochus (Phorcus) richardi (Payraudeau, 1826) accepted as Phorcus richardi (Payraudeau, 1826)
          1. Variety Trochus (Phorcus) richardi var. major Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus richardi (Payraudeau, 1826)
          2. Variety Trochus (Phorcus) richardi var. pallida Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus richardi (Payraudeau, 1826)
          3. Variety Trochus (Phorcus) richardi var. zigzag Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus richardi (Payraudeau, 1826)
        7. Species Trochus (Phorcus) rigatus R. A. Philippi, 1849 accepted as Trochus rigatus R. A. Philippi, 1849 (unaccepted > superseded combination)
        8. Species Trochus (Phorcus) bicinctus R. A. Philippi, 1849 represented as Trochus bicinctus R. A. Philippi, 1849
        9. Species Trochus (Phorcus) canus R. A. Philippi, 1849 (uncertain > taxon inquirendum)
        10. Species Trochus (Phorcus) ustus R. A. Philippi, 1849 (uncertain > taxon inquirendum)
      20. Subgenus Trochus (Polydonta) Schumacher, 1817 accepted as Trochus Linnaeus, 1758 (synonym)
        1. Species Trochus (Polydonta) cariniferus Reeve, 1842 accepted as Trochus cariniferus Reeve, 1842
        2. Species Trochus (Polydonta) mirabilis G. B. Sowerby III, 1875 accepted as Trochus mirabilis G. B. Sowerby III, 1875
        3. Species Trochus (Polydonta) nigropunctatus Reeve, 1861 accepted as Trochus nigropunctatus Reeve, 1861
        4. Species Trochus (Polydonta) calcaratus Souverbie, 1875 represented as Trochus calcaratus Souverbie, 1875
        5. Species Trochus (Polydonta) subviridis R. A. Philippi, 1849 represented as Trochus subviridis R. A. Philippi, 1849
      21. Subgenus Trochus (Rotella) Lamarck, 1822 accepted as Umbonium Link, 1807
        1. Species Trochus (Rotella) diaphanus A. d'Orbigny, 1842 accepted as Vitrinella diaphana (A. d'Orbigny, 1842) (unaccepted > superseded combination, invalid: junior homonym of Trochus diaphanus Gmelin, 1791)
        2. Species Trochus (Rotella) semistriatus A. d'Orbigny, 1842 accepted as Teinostoma semistriatum (A. d'Orbigny, 1842) (basionym)
      22. Subgenus Trochus (Solanderia) P. Fischer, 1879 accepted as Rossiteria Brazier, 1895 (Invalid: junior homonym of Solanderia Duchassaing & Michelin, 1846)
      23. Subgenus Trochus (Solariella) S. V. Wood, 1842 accepted as Solariella S. V. Wood, 1842 (superseded combination)
        1. Species Trochus (Solariella) albugo R. B. Watson, 1880 accepted as Clanculus albugo (R. B. Watson, 1880) (unaccepted > superseded combination)
        2. Species Trochus (Solariella) castus G. Nevill & H. Nevill, 1874 accepted as Minolia casta (G. Nevill & H. Nevill, 1874) (unaccepted > superseded combination)
        3. Species Trochus (Solariella) dilectus G. B. Sowerby III, 1899 accepted as Pseudominolia articulata (A. Gould, 1861)
        4. Species Trochus (Solariella) lamprus R. B. Watson, 1880 accepted as Ethalia lampra (R. B. Watson, 1880) (unaccepted > superseded combination)
        5. Species Trochus (Solariella) lusitanicus P. Fischer, 1882 accepted as Solariella lusitanica (P. Fischer, 1882) (unaccepted > superseded combination)
        6. Species Trochus (Solariella) philippensis R. B. Watson, 1880 accepted as Spectamen philippense (R. B. Watson, 1880) (unaccepted > superseded combination)
        7. Species Trochus (Solariella) prodictus P. Fischer, 1879 accepted as Ethminolia probabilis Iredale, 1924 (unaccepted > superseded combination)
      24. Subgenus Trochus (Solarium) Lamarck, 1799 accepted as Solarium Lamarck, 1799
        1. Species Trochus (Solarium) inornatus A. d'Orbigny, 1842 accepted as Episcynia inornata (A. d'Orbigny, 1842) (basionym)
      25. Subgenus Trochus (Tallorbis) G. Nevill & H. Nevill, 1869 accepted as Tallorbis G. Nevill & H. Nevill, 1869 (unaccepted > superseded rank)
        1. Species Trochus (Tallorbis) roseola (G. Nevill & H. Nevill, 1869) accepted as Tallorbis roseola G. Nevill & H. Nevill, 1869 (unaccepted > superseded combination)
      26. Subgenus Trochus (Tectus) Montfort, 1810 accepted as Tectus Montfort, 1810
        1. Species Trochus (Tectus) fenestratus Gmelin, 1791 accepted as Tectus fenestratus (Gmelin, 1791)
        2. Species Trochus (Tectus) triserialis Lamarck, 1822 accepted as Tectus triserialis (Lamarck, 1822)
          1. Species Trochus (Tectus) fabrei Montrouzier, 1878 represented as Trochus fabrei Montrouzier, 1878
        3. Subgenus Trochus (Thalotia) Gray, 1847 accepted as Thalotia J. E. Gray, 1847
          1. Species Trochus (Thalotia) torresi E. A. Smith, 1884 accepted as Calthalotia arruensis (R. B. Watson, 1880) (unaccepted > junior subjective synonym)
          2. Species Trochus (Thalotia) yokohamensis Bock, 1878 accepted as Kanekotrochus infuscatus (A. Gould, 1861) (unaccepted > junior subjective synonym)
        4. Subgenus Trochus (Thorista) Iredale, 1915 accepted as Coelotrochus P. Fischer, 1879 (Replacement name for Anthora Gray, 1857, not Doubleday, 1844)
          1. Species Trochus (Thorista) viridis Gmelin, 1791 accepted as Coelotrochus viridis (Gmelin, 1791) (superseded combination)
        5. Subgenus Trochus (Trochocochlea) Mörch, 1852 accepted as Phorcus Risso, 1826
          1. Species Trochus (Trochocochlea) turbinatus Born, 1778 accepted as Phorcus turbinatus (Born, 1778) (unaccepted > superseded combination)
            1. Variety Trochus (Trochocochlea) turbinatus var. zebra Bucquoy, Dautzenberg & Dollfus, 1885 accepted as Phorcus turbinatus (Born, 1778)
        6. Subgenus Trochus (Turbo) Linnaeus, 1758 accepted as Turbo Linnaeus, 1758
          1. Species Trochus (Turbo) argenteus Anton, 1838 accepted as Turbo argyrostomus Linnaeus, 1758
          2. Species Trochus (Turbo) disjunctus Anton, 1838 accepted as Turbo disjunctus (Anton, 1838)
          3. Species Trochus (Turbo) ferrugineus Anton, 1838 accepted as Turbo ferrugineus (Anton, 1838)
          4. Species Trochus (Turbo) nitzschii Anton, 1838 accepted as Turbo saxosus W. Wood, 1828 (unaccepted > junior subjective synonym)
        7. Subgenus Trochus (Ziziphinus) Gray, 1842 accepted as Calliostoma Swainson, 1840
          1. Species Trochus (Ziziphinus) arruensis R. B. Watson, 1880 accepted as Calthalotia arruensis (R. B. Watson, 1880) (unaccepted > superseded combination)
          2. Species Trochus (Ziziphinus) consimilis E. A. Smith, 1881 accepted as Calliostoma consimile (E. A. Smith, 1881) (basionym)
          3. Species Trochus (Ziziphinus) coppingeri E. A. Smith, 1880 accepted as Calliostoma coppingeri (E. A. Smith, 1880) (original combination)
          4. Species Trochus (Ziziphinus) ligatus A. Gould, 1849 accepted as Calliostoma ligatum (A. Gould, 1849) (superseded combination)
          5. Species Trochus (Ziziphinus) stephanephorus R. B. Watson, 1886 accepted as Calliostoma stephanephorum (R. B. Watson, 1886) (unaccepted > superseded combination)
          6. Species Trochus (Ziziphinus) stirophorus R. B. Watson, 1879 accepted as Calliostoma stirophorum (R. B. Watson, 1879) (unaccepted > superseded combination)
          7. Species Trochus (Ziziphinus) striatus (Linnaeus, 1758) accepted as Jujubinus striatus (Linnaeus, 1758)
            1. Variety Trochus (Ziziphinus) striatus var. elenchoides Issel, 1878 accepted as Jujubinus striatus (Linnaeus, 1758)
          8. Species Trochus (Ziziphinus) tiara R. B. Watson, 1879 accepted as Calliotropis tiara (R. B. Watson, 1879) (unaccepted > superseded combination)
          9. Species Trochus (Ziziphinus) tinctus R. B. Watson, 1886 accepted as Calliostoma allporti (Tenison Woods, 1876) (unaccepted > junior subjective synonym)
          10. Species Trochus (Ziziphinus) exquisitus G. B. Sowerby III, 1888 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
          11. Species Trochus (Ziziphinus) transenna R. B. Watson, 1879 (uncertain > taxon inquirendum)
        8. Species Trochus abanteus Nardo, 1847 accepted as Jujubinus montagui (W. Wood, 1828) (synonym)
        9. Species Trochus abnormis Crosse, 1864 accepted as Thalotia conica (J. E. Gray, 1826)
        10. Species Trochus abrodiaetus Nardo, 1847 accepted as Gibbula adriatica (R. A. Philippi, 1844) (synonym)
        11. Species Trochus abyssorum E. A. Smith, 1891 accepted as Bathybembix abyssorum (E. A. Smith, 1891) (superseded combination)
        12. Species Trochus acinosus A. Gould, 1849 accepted as Coelotrochus viridis (Gmelin, 1791) (junior subjective synonym)
        13. Species Trochus acuminatus W. Wood, 1828 accepted as Bembicium nanum (Lamarck, 1822) (unaccepted > junior subjective synonym)
        14. Species Trochus acuminatus Perry, 1811 accepted as Cantharidus opalus (Martyn, 1784) (junior objective synonym)
        15. Species Trochus acutangulus Anton, 1838 accepted as Rochia conus (Gmelin, 1791)
        16. Species Trochus acutus Lamarck, 1822 accepted as Tectus pyramis (Born, 1778) (unaccepted > junior subjective synonym)
        17. Species Trochus adansoni [sic] accepted as Gibbula adansonii (Payraudeau, 1826)
          1. Variety Trochus adansoni var. helicoides R. A. Philippi, 1844 accepted as Gibbula turbinoides (Deshayes, 1835) (unaccepted > junior subjective synonym)
          2. Variety Trochus adansoni var. lutea Dautzenberg, 1883 accepted as Gibbula turbinoides (Deshayes, 1835) (synonym)
        18. Species Trochus adansonii Payraudeau, 1826 accepted as Gibbula adansonii (Payraudeau, 1826)
          1. Variety Trochus adansonii var. major Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula adansonii (Payraudeau, 1826) (synonym)
        19. Species Trochus adelaidae R. A. Philippi, 1851 accepted as Chlorodiloma adelaidae (R. A. Philippi, 1851) (unaccepted > superseded combination)
        20. Species Trochus adriaticus R. A. Philippi, 1844 accepted as Steromphala adriatica (R. A. Philippi, 1844) (unaccepted > superseded combination)
        21. Species Trochus adspersus R. A. Philippi, 1851 accepted as Calliostoma adspersum (R. A. Philippi, 1851) (unaccepted > superseded combination)
        22. Species Trochus aegyptius Gmelin, 1791 accepted as Rubritrochus declivis (Forsskål, 1775)
        23. Species Trochus aequalis W. Wood, 1828 accepted as Umbonium vestiarium (Linnaeus, 1758) (junior synonym)
        24. Species Trochus agathensis Récluz, 1843 accepted as Gibbula adansonii (Payraudeau, 1826) (synonym)
        25. Species Trochus agrestis R. A. Philippi, 1843 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (unaccepted > junior subjective synonym, and junior homonym of Trochus agrestis Dillwyn, 1817)
        26. Species Trochus agrestis Dillwyn, 1817 accepted as Tegula rustica (Gmelin, 1791) (unaccepted > junior objective synonym)
        27. Species Trochus alabastrum Reeve, 1858 accepted as Euchelus alabastrum (Reeve, 1858)
        28. Species Trochus alabastrum (Lovén, 1846) accepted as Calliostoma occidentale (Mighels & C. B. Adams, 1842) (unaccepted > junior subjective synonym)
        29. Species Trochus albidus Gmelin, 1791 accepted as Gibbula albida (Gmelin, 1791)
          1. Variety Trochus albidus var. pontica Milaschewitsch, 1908 accepted as Gibbula albida (Gmelin, 1791) (synonym)
        30. Species Trochus albidus W. Wood, 1828 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (invalid; not Gmelin, 1791)
        31. Species Trochus altus Perry, 1811 accepted as Trochus conus Gmelin, 1791
        32. Species Trochus altus R. A. Philippi, 1851 accepted as Trochus conus Gmelin, 1791
        33. Species Trochus alveolatus R. A. Philippi, 1851 accepted as Steromphala spratti (Forbes, 1844) (unaccepted > junior subjective synonym, tentative junior synonym)
        34. Species Trochus alwinae Lischke, 1871 accepted as Lischkeia alwinae (Lischke, 1871)
        35. Species Trochus amabilis Jeffreys, 1865 accepted as Solariella amabilis (Jeffreys, 1865) (original combination)
          1. Variety Trochus amabilis var. affinis Jeffreys, 1883 accepted as Solariella affinis (Friele, 1877)
        36. Species Trochus americanus Gmelin, 1791 accepted as Lithopoma americanum (Gmelin, 1791) (original combination)
        37. Species Trochus amictus Valenciennes, 1846 accepted as Uvanilla unguis (W. Wood, 1828) (unaccepted > junior subjective synonym)
        38. Species Trochus annulatus [Lightfoot], 1786 accepted as Calliostoma annulatum ([Lightfoot], 1786) (original combination)
        39. Species Trochus anomala A. d'Orbigny, 1842 accepted as Vitrinella anomala (A. d'Orbigny, 1842) (original combination)
        40. Species Trochus antonii F. C. L. Koch, 1843 accepted as Calliostoma antonii (F. C. L. Koch, 1843) (unaccepted > superseded combination)
        41. Species Trochus arcticus (Leach, 1819) accepted as Margarites helicinus (Phipps, 1774) (a junior synonym)
        42. Species Trochus ardens Salis Marschlins, 1793 accepted as Gibbula ardens (Salis Marschlins, 1793)
        43. Species Trochus areola Gmelin, 1791 accepted as Heliacus (Heliacus) areola areola (Gmelin, 1791)
        44. Species Trochus argentatus (A. Gould, 1841) accepted as Margarites olivaceus (T. Brown, 1827) (unaccepted > junior subjective synonym)
        45. Species Trochus argenteonitens Lischke, 1872 accepted as Ginebis argenteonitens (Lischke, 1872) (original combination)
        46. Species Trochus argyrostomus Gmelin, 1791 accepted as Tegula argyrostoma (Gmelin, 1791) (original combination)
          1. Variety Trochus argyrostomus var. maxima Lischke, 1869 accepted as Tegula rugata (A. Gould, 1861) (invalid: junior homonym of Trochus maximus Koch, 1844)
          2. Variety Trochus argyrostomus var. umbilicata Lischke, 1869 accepted as Tegula rugata (A. Gould, 1861) (invalid: junior homonym of Trochus umbilicatus Montagu, 1803)
        47. Species Trochus armatus R. A. Philippi, 1849 accepted as Lithopoma phoebium (Röding, 1798) (unaccepted > junior subjective synonym)
        48. Species Trochus armillatus W. Wood, 1828 accepted as Astele armillata (W. Wood, 1828)
        49. Species Trochus articulatus (Lamarck, 1822) accepted as Phorcus articulatus (Lamarck, 1822)
          1. Variety Trochus articulatus var. lineolata Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus articulatus (Lamarck, 1822) (synonym)
          2. Variety Trochus articulatus var. major Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus articulatus (Lamarck, 1822) (synonym)
        50. Species Trochus asper Gmelin, 1791 accepted as Euchelus asper (Gmelin, 1791) (original combination)
        51. Species Trochus aspersus R. A. Philippi, 1846 accepted as Herpetopoma aspersum (R. A. Philippi, 1846) (unaccepted > superseded combination)
        52. Species Trochus asteriscus Reeve, 1842 accepted as Astralium asteriscus (Reeve, 1842) (original combination)
        53. Species Trochus ater R. P. Lesson, 1831 accepted as Tegula atra (R. P. Lesson, 1831)
        54. Species Trochus atratus W. Wood, 1828 accepted as Phorcus atratus (W. Wood, 1828)
        55. Species Trochus atrovirens R. A. Philippi, 1851 accepted as Diloma zelandicum (Quoy & Gaimard, 1834) (unaccepted > junior subjective synonym)
        56. Species Trochus attenuatus Jonas, 1844 accepted as Tosatrochus attenuatus (Jonas, 1844) (original combination)
        57. Species Trochus attritus Hombron & Jacquinot, 1848 accepted as Diloma subrostratum (J. E. Gray, 1835) (junior subjective synonym)
        58. Species Trochus auratus Quoy & Gaimard, 1834 accepted as Bembicium auratum (Quoy & Gaimard, 1834) (unaccepted > superseded combination)
        59. Species Trochus aureotinctus Forbes, 1852 accepted as Tegula aureotincta (Forbes, 1852) (original combination)
        60. Species Trochus aureus Jonas, 1844 accepted as Bellastraea aurea (Jonas, 1844) (original combination)
        61. Species Trochus australis Quoy & Gaimard, 1834 accepted as Phasianotrochus eximius (G. Perry, 1811) (invalid: junior homonym of Trochus australis Broderip, 1831; T. quoyi is a replacement name)
        62. Species Trochus australis Broderip, 1831 accepted as Astele rubiginosa (Valenciennes, 1846) (unaccepted > junior objective synonym)
        63. Species Trochus badius W. Wood, 1828 accepted as Phasianotrochus eximius (G. Perry, 1811) (junior synonym)
        64. Species Trochus balteatus R. A. Philippi, 1850 accepted as Cratidentium balteatum (R. A. Philippi, 1850) (unaccepted > superseded combination)
        65. Species Trochus basterotii M. Hörnes, 1848 accepted as Gibbula adriatica (R. A. Philippi, 1844) (dubious synonym)
        66. Species Trochus baudini P. Fischer, 1878 accepted as Calthalotia baudini (P. Fischer, 1878) (original combination)
        67. Species Trochus baudoni Monterosato, 1891 accepted as Jujubinus baudoni (Monterosato, 1891) (original combination)
        68. Species Trochus belcheri R. A. Philippi, 1850 accepted as Talopena belcheri (R. A. Philippi, 1850) (unaccepted > superseded combination)
        69. Species Trochus bellardii Issel, 1869 accepted as Ethalia bellardii (Issel, 1869) (unaccepted > superseded combination)
        70. Species Trochus bellulus Dunker, 1845 accepted as Phasianotrochus bellulus (Dunker, 1845)
        71. Species Trochus bembex R. A. Philippi, 1855 accepted as Margarita acuminata G. B. Sowerby I, 1838 (unaccepted > junior subjective synonym)
        72. Species Trochus benzi Krauss, 1848 accepted as Gibbula benzi (Krauss, 1848) (original combination)
        73. Species Trochus bernardii Récluz, 1852 accepted as Diloma bicanaliculatum (Dunker, 1845) (junior subjective synonym)
        74. Species Trochus biasoletti R. A. Philippi, 1836 accepted as Steromphala albida (Gmelin, 1791) (unaccepted > junior subjective synonym)
        75. Species Trochus bicanaliculatus Dunker, 1845 accepted as Diloma bicanaliculatum (Dunker, 1845) (superseded combination)
        76. Species Trochus bicarinatus J. E. Gray, 1833 accepted as Agathistoma melaleucos (Jonas, 1844) (unaccepted > junior homonym, not Trochus bicarinatus Lamarck, 1804; Trochus grayanus Philippi, 1850 is a replacement name)
        77. Species Trochus bicingulatus Lamarck, 1822 accepted as Calliostoma bicingulatum (Lamarck, 1822) (original combination)
        78. Species Trochus bicolor Risso, 1826 accepted as Jujubinus exasperatus (Pennant, 1777) (dubious synonym)
        79. Species Trochus bicolor (Lamarck, 1822) accepted as Tectarius pagodus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
        80. Species Trochus bilabiatus R. A. Philippi, 1852 accepted as Danilia tinei (Calcara, 1839)
        81. Species Trochus blandianus Crosse, 1864 accepted as Odontotrochus chlorostomus (Menke, 1843)
        82. Species Trochus borealis R. A. Philippi, 1855 accepted as Margarites helicinus (Phipps, 1774) (unaccepted > junior subjective synonym)
        83. Species Trochus bornii Cantraine, 1835 accepted as Gibbula albida (Gmelin, 1791) (synonym)
        84. Species Trochus brevispina Lamarck, 1822 accepted as Lithopoma brevispina (Lamarck, 1822) (unaccepted > superseded combination)
        85. Species Trochus brevispinosus Valenciennes, 1846 accepted as Uvanilla olivacea (W. Wood, 1828) (unaccepted > junior subjective synonym)
        86. Species Trochus broderipi R. A. Philippi, 1855 accepted as Astele rubiginosa (Valenciennes, 1846)
        87. Species Trochus brunneus R. A. Philippi, 1849 accepted as Tegula brunnea (R. A. Philippi, 1849) (unaccepted > superseded combination)
        88. Species Trochus brychius R. B. Watson, 1879 accepted as Solariella brychia (R. B. Watson, 1879) (unaccepted > superseded combination)
        89. Species Trochus bullatus Martyn, 1784 accepted as Tectarius grandinatus (Gmelin, 1791) (Martyn, 1784 is a work rejected for nomenclatorial purposes (see ICZN opinions 456 and 479))
        90. Species Trochus bullatus R. A. Philippi, 1844 accepted as Calliostoma bullatum (R. A. Philippi, 1844) (unaccepted > superseded combination)
        91. Species Trochus buschii R. A. Philippi, 1844 accepted as Uvanilla buschii (R. A. Philippi, 1844) (unaccepted > superseded combination)
        92. Species Trochus byronianus W. Wood, 1828 accepted as Tegula viridula (Gmelin, 1791) (unaccepted > junior subjective synonym)
        93. Species Trochus caelatus Gmelin, 1791 accepted as Lithopoma caelatum (Gmelin, 1791) (original combination)
        94. Species Trochus caerulescens Lamarck, 1816 accepted as Tectus pyramis (Born, 1778)
        95. Species Trochus callichrous R. A. Philippi, 1850 accepted as Cantharidus callichrous (R. A. Philippi, 1850) (unaccepted > superseded combination)
        96. Species Trochus calliferus Lamarck, 1822 accepted as Monilea callifera (Lamarck, 1822) (unaccepted > superseded combination)
        97. Species Trochus callosus W. Wood, 1828 accepted as Monilea callifera (Lamarck, 1822) (invalid; not Gmelin, 1791)
        98. Species Trochus callosus F. C. L. Koch, 1844 accepted as Ethalia sanguinea Pilsbry, 1905 (unaccepted > junior homonym, junior homonym of Trochus callosus Gmelin, 1791)
        99. Species Trochus calyculus W. Wood, 1828 accepted as Talopena calyculus (W. Wood, 1828) (unaccepted > superseded combination)
        100. Species Trochus calyptraeformis Lamarck, 1822 accepted as Sigapatella calyptraeformis (Lamarck, 1822) (original combination)
        101. Species Trochus canaliculatus [Lightfoot], 1786 accepted as Calliostoma canaliculatum ([Lightfoot], 1786) (original combination)
        102. Species Trochus canaliculatus (Lamarck, 1822) accepted as Euchelus atratus (Gmelin, 1791)
        103. Species Trochus cancellatus Jeffreys, 1883 accepted as Vetulonia paucivaricosa (Dautzenberg, 1889) (invalid: junior homonym of Trochus cancellatus Münster, 1844; Vetulonia josephinae is a replacement name)
        104. Species Trochus candei A. d'Orbigny, 1840 accepted as Gibbula candei (A. d'Orbigny, 1840)
        105. Species Trochus capensis Gmelin, 1791 accepted as Gibbula capensis (Gmelin, 1791) (original combination)
        106. Species Trochus caperatus R. A. Philippi, 1849 accepted as Trochus fenestratus Gmelin, 1791 (unaccepted > junior subjective synonym)
        107. Species Trochus capillaceus R. A. Philippi, 1849 accepted as Cantharidus capillaceus (R. A. Philippi, 1849) (superseded combination)
        108. Species Trochus carbonarius R. A. Philippi, 1849 accepted as Austrocochlea rudis (J. E. Gray, 1826) (unaccepted > junior subjective synonym)
        109. Species Trochus carinatus A. d'Orbigny, 1842 accepted as Vitrinella carinata (A. d'Orbigny, 1842) (original combination)
        110. Species Trochus carinatus F. C. L. Koch, 1843 accepted as Tegula luctuosa (A. d'Orbigny, 1841) (invalid, not d'Orbigny, 1842)
        111. Species Trochus carmesinus W. H. Webster, 1908 accepted as Coelotrochus carmesinus (W. H. Webster, 1908) (unaccepted > superseded combination)
        112. Species Trochus carneus (R. T. Lowe, 1825) accepted as Margarites groenlandicus (Gmelin, 1791) (unaccepted > junior subjective synonym, a junior synonym)
        113. Species Trochus carpentieri Dunker, 1860 accepted as Tegula pfeifferi carpenteri (Dunker, 1860) (unaccepted > superseded combination)
        114. Species Trochus castaneus Forbes, 1852 accepted as Calliostoma ligatum (A. Gould, 1849)
        115. Species Trochus catenulatus R. A. Philippi, 1849 accepted as Trochomodulus catenulatus (R. A. Philippi, 1849) (unaccepted > superseded combination)
        116. Species Trochus cecillei R. A. Philippi, 1850 accepted as Tristichotrochus unicus (Dunker, 1860) (unaccepted > junior subjective synonym)
        117. Species Trochus charopus R. B. Watson, 1879 accepted as Solariella charopa (R. B. Watson, 1879) (unaccepted > superseded combination)
        118. Species Trochus chemnitzii R. A. Philippi, 1848 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (unaccepted > junior subjective synonym)
        119. Species Trochus chemnitzii Valenciennes, 1846 accepted as Uvanilla unguis (W. Wood, 1828) (unaccepted > junior subjective synonym)
        120. Species Trochus chinensis R. A. Philippi, 1841 accepted as Aspidophoreas chinensis (R. A. Philippi, 1841) (unaccepted > superseded combination)
        121. Species Trochus chlorites R. A. Philippi, 1848 accepted as Prothalotia chlorites (R. A. Philippi, 1848) (unaccepted > superseded combination)
        122. Species Trochus chlorostomus Menke, 1843 accepted as Odontotrochus chlorostomus (Menke, 1843) (unaccepted > superseded combination)
          1. Variety Trochus chlorostomus var. latior R. A. Philippi, 1850 accepted as Odontotrochus chlorostomus (Menke, 1843) (unaccepted > junior subjective synonym, probable synonym)
        123. Species Trochus chrysolaemus E. von Martens, 1880 accepted as Priotrochus goudoti (P. Fischer, 1878)
        124. Species Trochus cicatricosus Jonas, 1843 accepted as Bembicium auratum (Quoy & Gaimard, 1834)
        125. Species Trochus cicer R. A. Philippi, 1844 accepted as Gibbula cicer (R. A. Philippi, 1844) (unaccepted > superseded combination)
        126. Species Trochus ciliaris Menke, 1843 accepted as Astele ciliaris (Menke, 1843)
        127. Species Trochus cinctus R. A. Philippi, 1836 accepted as Solariella cincta (R. A. Philippi, 1836) (unaccepted > superseded combination)
        128. Species Trochus cinerarius Linnaeus, 1758 accepted as Steromphala cineraria (Linnaeus, 1758) (original combination)
          1. Variety Trochus cinerarius var. variegata Jeffreys, 1865 accepted as Gibbula cineraria (Linnaeus, 1758) (synonym)
        129. Species Trochus cinerascens Anton, 1838 accepted as Steromphala leucophaea (R. A. Philippi, 1836) (junior synonym)
        130. Species Trochus cinereus Linnaeus, 1758 sensu Blainville, 1826 accepted as Gibbula umbilicalis (da Costa, 1778) (synonym)
        131. Species Trochus cinereus (Couthouy, 1838) accepted as Margarita cinerea (Couthouy, 1838) (unaccepted > unavailable name, based on an invalid original combination)
        132. Species Trochus cingulatus Megerle von Mühlfeld, 1816 accepted as Gibbula zonata (W. Wood, 1828) (invalid: junior homonym of T. cingulatus Brocchi, 1814)
        133. Species Trochus cingulatus Quoy & Gaimard, 1834 accepted as Diloma bicanaliculatum (Dunker, 1845) (invalid: junior homonym of Trochus cingulatus Brocchi, 1814, and several others; T. gaimardi is a replacement name)
        134. Species Trochus cingulatus Grube, 1839 accepted as Jujubinus striatus (Linnaeus, 1758) (unaccepted > junior subjective synonym, invalid; not Megerle von Mühlfeld, 1816 )
        135. Species Trochus circumsutus A. Gould, 1849 accepted as Trochus fenestratus Gmelin, 1791 (junior subjective synonym)
        136. Species Trochus clanguloides W. Wood, 1828 accepted as Clanculus clanguloides (W. Wood, 1828) (original combination)
        137. Species Trochus clangulus W. Wood, 1828 accepted as Clanculus clangulus (W. Wood, 1828) (original combination)
        138. Species Trochus clelandi W. Wood, 1828 accepted as Clelandella miliaris (Brocchi, 1814) (junior synonym)
        139. Species Trochus clodianus Nardo, 1847 accepted as Gibbula albida (Gmelin, 1791) (synonym)
        140. Species Trochus colubrinus Gould, 1849 accepted as Phorcus sauciatus (F. C. L. Koch, 1845) (synonym)
        141. Species Trochus concameratus W. Wood, 1828 accepted as Diloma concameratum (W. Wood, 1828) (superseded combination)
        142. Species Trochus concavus Gmelin, 1791 accepted as Infundibulum concavum (Gmelin, 1791) (unaccepted > superseded combination, original combination)
        143. Species Trochus conchyliophorus Born, 1780 accepted as Xenophora conchyliophora (Born, 1780) (original combination)
          1. Species Trochus conicus Donovan, 1803 accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
          2. Species Trochus coniferus Montagu, 1803 accepted as Opalia crenata (Linnaeus, 1758)
          3. Species Trochus conoidalis Pease, 1868 accepted as Peasiella conoidalis (Pease, 1868)
          4. Species Trochus consors Lischke, 1872 accepted as Calliostoma consors (Lischke, 1872) (basionym)
          5. Species Trochus constellatus Souverbie, 1863 accepted as Austrocochlea constellata (Souverbie, 1863) (original combination)
          6. Species Trochus conuloides Lamarck, 1822 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (original combination)
          7. Species Trochus conulus Linnaeus, 1758 accepted as Calliostoma conulus (Linnaeus, 1758)
            1. Variety Trochus conulus var. laevigata Petit de la Saussaye, 1869 accepted as Calliostoma gualterianum (R. A. Philippi, 1848) (synonym)
            2. Variety Trochus conulus var. subangulata Bucquoy, Dautzenberg & Dollfus, 1885 accepted as Calliostoma conulus (Linnaeus, 1758) (synonym)
            3. Variety Trochus conulus var. violacea Bucquoy, Dautzenberg & Dollfus, 1885 accepted as Calliostoma conulus (Linnaeus, 1758) (synonym)
          8. Species Trochus conus Gmelin, 1791 accepted as Rochia conus (Gmelin, 1791) (unaccepted > superseded combination)
          9. Species Trochus cookii Gmelin, 1791 accepted as Cookia sulcata ([Lightfoot], 1786) (junior subjective synonym)
          10. Species Trochus coracinus Troschel, 1851 accepted as Diloma coracinum (Troschel, 1851) (superseded combination)
          11. Species Trochus corallinus Gmelin, 1791 accepted as Clanculus corallinus (Gmelin, 1791)
          12. Species Trochus corallinus E. A. Smith, 1875 accepted as Homalopoma amussitatum (A. Gould, 1861) (junior subjective synonym)
          13. Species Trochus corcyrensis Stossich, 1865 accepted as Phorcus articulatus (Lamarck, 1822) (synonym)
          14. Species Trochus corolla Reeve, 1861 accepted as Lithopoma tectum ([Lightfoot], 1786) (junior synonym)
          15. Species Trochus coronulatus C. B. Adams, 1852 accepted as Tegula rubroflammulata (F. C. L. Koch, 1843) (unaccepted > junior subjective synonym)
          16. Species Trochus corrugatus F. C. L. Koch, 1843 accepted as Agathistoma patagonicum (A. d'Orbigny, 1838) (unaccepted > junior subjective synonym)
          17. Species Trochus corvus R. A. Philippi, 1850 accepted as Agathistoma corvus (R. A. Philippi, 1850) (unaccepted > superseded combination)
          18. Species Trochus cossurensis Monterosato, 1875 accepted as Gibbula rarilineata (Michaud, 1829) (synonym)
          19. Species Trochus costalis A. Gould, 1841 accepted as Margarites costalis (A. Gould, 1841) (original combination)
          20. Species Trochus cranchi Leach, 1852 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (synonym)
          21. Species Trochus crassus Pulteney, 1799 accepted as Phorcus lineatus (da Costa, 1778) (synonym)
          22. Species Trochus crenulatus Brocchi, 1814 accepted as Jujubinus exasperatus (Pennant, 1777) (dubious synonym)
          23. Species Trochus crispulus R. A. Philippi, 1844 accepted as Putzeysia wiseri (Calcara, 1842) (unaccepted > junior subjective synonym)
          24. Species Trochus cruciatus Linnaeus, 1758 accepted as Clanculus cruciatus (Linnaeus, 1758)
          25. Species Trochus cumingii R. A. Philippi, 1846 accepted as Tectarius cumingii (R. A. Philippi, 1846) (unaccepted > superseded combination)
          26. Species Trochus cunninghami J. E. Gray, 1834 accepted as Calliostoma selectum (Dillwyn, 1817) (unaccepted > junior subjective synonym)
          27. Species Trochus cylindraceus Dillwyn, 1817 accepted as Heliacus cylindricus (Gmelin, 1791)
          28. Species Trochus cylindricus Gmelin, 1791 accepted as Heliacus cylindricus (Gmelin, 1791)
          29. Species Trochus cyrnaeus Requien, 1848 accepted as Jujubinus montagui (W. Wood, 1828) (dubious synonym)
          30. Species Trochus dama R. A. Philippi, 1849 accepted as Monodonta nebulosa (Forsskål, 1775) (unaccepted > junior subjective synonym)
          31. Species Trochus decoratus R. A. Philippi, 1846 accepted as Calthalotia fragum (R. A. Philippi, 1848) (unaccepted > junior homonym, junior homonym of Trochus decoratus Hehl, 1832, and T. decoratus Michelotti, 1840)
          32. Species Trochus dejacobi Aradas & Benoit, 1841 accepted as Jujubinus exasperatus (Pennant, 1777) (synonym)
          33. Species Trochus delicatulus R. A. Philippi, 1846 accepted as Coelotrochus tiaratus (Quoy & Gaimard, 1834) (unaccepted > junior subjective synonym)
          34. Species Trochus delicatus Jeffreys, 1883 accepted as Margarites luciae (G. Seguenza, 1876) (preoccupied name)
          35. Species Trochus dentatus Forsskål, 1775 accepted as Tectus (Tectus) dentatus (Forsskål, 1775) (original combination)
          36. Species Trochus depictus Deshayes, 1835 accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
            1. Variety Trochus depictus var. ardens (Sulliotti, 1889) accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
            2. Variety Trochus depictus var. atrata (Sulliotti, 1889) accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
            3. Variety Trochus depictus var. elegans (Sulliotti, 1889) accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
            4. Variety Trochus depictus var. flava (Sulliotti, 1889) accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
          37. Species Trochus depressus E von Martens, 1874 accepted as Clanculus miniatus (Anton, 1838) (unaccepted > junior homonym, of Trochus depressus Gmelin, 1791)
          38. Species Trochus diadematus Valenciennes, 1846 accepted as Pomaulax gibberosus (Dillwyn, 1817) (unaccepted > junior subjective synonym)
          39. Species Trochus dianthus P. Fischer, 1879 accepted as Spectamen bellulum (Angas, 1869)
          40. Species Trochus diaphanus Gmelin, 1791 accepted as Calliostoma punctulatum (Martyn, 1784) (junior subjective synonym)
          41. Species Trochus dilectus G. B. Sowerby III, 1899 accepted as Pseudominolia articulata (A. Gould, 1861)
          42. Species Trochus diminutivus Reeve, 1862 accepted as Peasiella tantilla (A. Gould, 1849)
          43. Species Trochus discrepans T. Brown, 1818 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (synonym)
          44. Species Trochus disculus R. A. Philippi, 1846 accepted as Modulus disculus (R. A. Philippi, 1846) (unaccepted > superseded combination)
          45. Species Trochus divaricatus Linnaeus, 1758 accepted as Gibbula divaricata (Linnaeus, 1758) (original combination)
          46. Species Trochus divaricatus O. Fabricius, 1780 accepted as Lacuna vincta (Montagu, 1803) (unaccepted > junior subjective synonym)
          47. Species Trochus dnopherus R. B. Watson, 1879 accepted as Margarites dnopherus (R. B. Watson, 1879) (unaccepted > superseded combination)
          48. Species Trochus dolabratus Linnaeus, 1758 accepted as Pyramidella dolabrata (Linnaeus, 1758) (original combination)
          49. Species Trochus drepanensis Brugnone, 1873 accepted as Gibbula drepanensis (Brugnone, 1873)
          50. Species Trochus dubius R. A. Philippi, 1844 accepted as Calliostoma conulus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
            1. Variety Trochus dubius var. albida Dautzenberg, 1883 accepted as Calliostoma conulum [sic] (synonym)
            2. Variety Trochus dubius var. spongiarum Bucquoy, Dautzenberg & Dollfus, 1885 accepted as Calliostoma laugieri (Payraudeau, 1826) (unaccepted > junior subjective synonym)
          51. Species Trochus dumerili Risso, 1826 accepted as Jujubinus exasperatus (Pennant, 1777) (synonym)
          52. Species Trochus edulis R. T. Lowe, 1843 accepted as Osilinus (Pseudosilinus) edulis F. Nordsieck, 1974 (nomen nudum)
          53. Species Trochus elatus Lamarck, 1822 accepted as Rochia elata (Lamarck, 1822) (original combination)
          54. Species Trochus elatus Brusina, 1865 accepted as Gibbula varia (Linnaeus, 1758) (primary homonym of Trochus elatus Lamarck, 1822)
          55. Species Trochus electissimus W. Bean, 1844 accepted as Steromphala cineraria (Linnaeus, 1758) (unaccepted > junior subjective synonym)
          56. Species Trochus elegans Blainville, 1830 accepted as Jujubinus exasperatus (Pennant, 1777) (synonym)
          57. Species Trochus elegans Gmelin, 1791 accepted as Cantharidus purpureus (Gmelin, 1791) (junior subjective synonym)
          58. Species Trochus elegans R. P. Lesson, 1835 accepted as Tegula pellisserpentis (W. Wood, 1828) (unaccepted > junior subjective synonym)
          59. Species Trochus elegantissimus O. G. Costa, 1861 accepted as Mathilda cochlaeformis Brugnone, 1873 (unaccepted > junior homonym)
          60. Species Trochus elisus A. Gould, 1849 accepted as Perrinia elisa (A. Gould, 1849) (superseded combination)
          61. Species Trochus elongatus W. Wood, 1828 accepted as Tosatrochus attenuatus (Jonas, 1844) (Invalid: junior homonym of Trochus elongatus J. Sowerby, 1818; Thalotia aspera is a replacement name)
          62. Species Trochus eltoniae R. T. Lowe, 1861 accepted as Gibbula cineraria (Linnaeus, 1758) (synonym)
          63. Species Trochus ephebocostalis Grabau & S. G. King, 1928 accepted as Omphalius rusticus (Gmelin, 1791)
          64. Species Trochus episcopus Hombron & Jacquinot, 1848 accepted as Cantharidus capillaceus (R. A. Philippi, 1849) (Trochus (Osilinus?) capillaceus Philippi 1849 assigned priority by ICZN Opinion 2437 )
          65. Species Trochus erogatus P. Fischer, 1876 accepted as Cantharidus lepidus (R. A. Philippi, 1849) (junior subjective synonym)
          66. Species Trochus erythraeus [sic] accepted as Trochus erithreus Brocchi, 1821 (incorrect subsequent spelling)
          67. Species Trochus erythreus [sic] accepted as Trochus erithreus Brocchi, 1821 (misspelling)
          68. Species Trochus erythroleucos Gmelin, 1791 accepted as Jujubinus exasperatus (Pennant, 1777) (synonym)
          69. Species Trochus erythropthalmus R. A. Philippi, 1849 accepted as Uvanilla olivacea (W. Wood, 1828) (unaccepted > junior subjective synonym)
          70. Species Trochus eudeli Deshayes, 1863 accepted as Ethminolia eudeli (Deshayes, 1863) (original combination)
          71. Species Trochus eugrammus R. A. Philippi, 1850 accepted as Trochus hanleyanus Reeve, 1842 (unaccepted > junior subjective synonym)
          72. Species Trochus euryomphalus Jonas, 1844 accepted as Tegula euryomphala (Jonas, 1844) (original combination)
          73. Species Trochus euspira (Dall, 1881) accepted as Bathymophila euspira (Dall, 1881)
          74. Species Trochus euxinicus Andrzeiewsky, 1837 accepted as Steromphala adriatica (R. A. Philippi, 1844) (unaccepted > nomen nudum)
          75. Species Trochus exasperatus Pennant, 1777 accepted as Jujubinus exasperatus (Pennant, 1777)
            1. Variety Trochus exasperatus var. excavata Monterosato, 1880 accepted as Jujubinus exasperatus (Pennant, 1777) (invalid: junior homonym of Trochus excavatus Lamarck, 1822; T. striatus var. monterosatoi is a replacement name)
            2. Variety Trochus exasperatus var. flammulata Monterosato, 1880 accepted as Jujubinus exasperatus (Pennant, 1777) (dubious syn.)
          76. Species Trochus excavatus Lamarck, 1822 accepted as Tegula excavata (Lamarck, 1822) (unaccepted > superseded combination)
          77. Species Trochus exiguus Pulteney, 1799 accepted as Jujubinus exasperatus (Pennant, 1777) (synonym)
          78. Species Trochus exilis Pease, 1868 accepted as Plesiotrochus souverbianus P. Fischer, 1878 (invalid: junior homonym of Trochus exilis Philippi, 1844)
          79. Species Trochus eximius Reeve, 1842 accepted as Calliostoma eximium (Reeve, 1843) (original combination)
          80. Species Trochus fabrei Montrouzier, 1878 accepted as Tectus fabrei (Montrouzier, 1878)
          81. Species Trochus fabricii R. A. Philippi, 1850 accepted as Margarites groenlandicus (Gmelin, 1791) (unaccepted > junior subjective synonym)
          82. Species Trochus fanuloides P. Fischer, 1874 accepted as Rubritrochus pulcherrimus (A. Adams, 1855)
          83. Species Trochus fanulum Gmelin, 1791 accepted as Gibbula fanulum (Gmelin, 1791)
            1. Variety Trochus fanulum var. albosordida Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula fanulum (Gmelin, 1791) (synonym)
            2. Variety Trochus fanulum var. rubra Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula fanulum (Gmelin, 1791) (synonym)
            3. Variety Trochus fanulum var. varia Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula fanulum (Gmelin, 1791) (synonym)
          84. Species Trochus fasciatus Born, 1778 accepted as Agathistoma fasciatum (Born, 1778)
          85. Species Trochus fenestratus Gmelin, 1791 accepted as Tectus fenestratus (Gmelin, 1791) (original combination)
          86. Species Trochus fermonii Payraudeau, 1826 accepted as Gibbula ardens (Salis Marschlins, 1793) (synonym)
            1. Variety Trochus fermonii var. albina Monterosato, 1880 accepted as Gibbula ardens (Salis Marschlins, 1793) (synonym)
            2. Variety Trochus fermonii var. depressa Issel, 1878 accepted as Gibbula ardens (Salis Marschlins, 1793) (synonym)
            3. Variety Trochus fermonii var. elata Monterosato, 1880 accepted as Gibbula ardens (Salis Marschlins, 1793) (synonym)
            4. Variety Trochus fermonii var. prominula Issel, 1878 accepted as Gibbula ardens (Salis Marschlins, 1793) (synonym)
            5. Variety Trochus fermonii var. purpurea Monterosato, 1880 accepted as Gibbula ardens (Salis Marschlins, 1793) (synonym)
            6. Variety Trochus fermonii var. sulphurea Monterosato, 1880 accepted as Gibbula ardens (Salis Marschlins, 1793) (synonym)
          87. Species Trochus filosus Helbling, 1779 accepted as Modulus modulus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
          88. Species Trochus filosus W. Wood, 1828 accepted as Turbo cailletii P. Fischer & Bernardi, 1857 (unaccepted > junior homonym, possible synonym; not Trochus filosus Helbling, 1779)
          89. Species Trochus filosus R. A. Philippi, 1844 accepted as Cantrainea peloritana (Cantraine, 1835) (unaccepted > junior homonym, not Trochus filosus Helbling, 1779 and Trochus filosus W. Wood, 1828)
          90. Species Trochus flammiger Dunker, 1857 accepted as Calliostoma laugieri (Payraudeau, 1826)
          91. Species Trochus flavidus Dunker, 1857 accepted as Calliostoma dubium (R. A. Philippi, 1844)
          92. Species Trochus flavus Anton, 1849 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (synonym)
          93. Species Trochus flindersi P. Fischer, 1878 accepted as Prothalotia flindersi (P. Fischer, 1878) (original combination)
          94. Species Trochus floridus R. A. Philippi, 1850 accepted as Clanculus floridus (R. A. Philippi, 1850) (unaccepted > superseded combination)
          95. Species Trochus flosculus P. Fischer, 1878 accepted as Clanculus flosculus (P. Fischer, 1878) (original combination)
          96. Species Trochus fonki R. A. Philippi, 1858 accepted as Calliostoma fonki (R. A. Philippi, 1858) (unaccepted > superseded combination)
          97. Species Trochus formosus W. Wood, 1828 accepted as Rotella suturalis Lamarck, 1822
          98. Species Trochus formosus McAndrew & Forbes, 1847 accepted as Calliostoma occidentale (Mighels & C. B. Adams, 1842) (synonym and junior primary homonym of Trochus formosus W. Wood, 1828)
          99. Species Trochus fossulatulus Souverbie, 1875 accepted as Hybochelus cancellatus (Krauss, 1848)
          100. Species Trochus fournieri Crosse, 1863 accepted as Cantharidus fournieri (Crosse, 1863)
          101. Species Trochus fragilis Pulteney, 1799 accepted as Calliostoma granulatum (Born, 1778) (synonym)
          102. Species Trochus fragum R. A. Philippi, 1848 accepted as Calthalotia fragum (R. A. Philippi, 1848) (unaccepted > superseded combination)
          103. Species Trochus fraterculus Monterosato, 1880 accepted as Jujubinus fraterculus (Monterosato, 1880)
          104. Species Trochus freycineti P. Fischer, 1878 accepted as Odontotrochus chlorostomus (Menke, 1843)
          105. Species Trochus fulguratus R. A. Philippi, 1849 accepted as Oxystele fulgurata (R. A. Philippi, 1849) (unaccepted > superseded combination)
          106. Species Trochus fulvolabris Hombron & Jacquinot, 1848 accepted as Coelotrochus viridis (Gmelin, 1791) (junior subjective synonym)
          107. Species Trochus fulvus R. A. Philippi, 1849 accepted as Calliostoma ornatum (Lamarck, 1822) (unaccepted > junior subjective synonym, tentative junior synonym)
          108. Species Trochus fumosus R. A. Philippi, 1850 accepted as Steromphala cineraria (Linnaeus, 1758) (unaccepted > junior subjective synonym)
          109. Species Trochus fuscatus Gmelin, 1791 accepted as Gibbula umbilicaris (Linnaeus, 1758) (synonym)
          110. Species Trochus fuscescens R. A. Philippi, 1844 accepted as Agathistoma patagonicum (A. d'Orbigny, 1838) (unaccepted > junior subjective synonym)
          111. Species Trochus gaimardi R. A. Philippi, 1851 accepted as Diloma bicanaliculatum (Dunker, 1845) (junior subjective synonym)
          112. Species Trochus gallina Forbes, 1852 accepted as Tegula gallina (Forbes, 1852) (original combination)
          113. Species Trochus gemmatus A. Gould, 1845 accepted as Herpetopoma gemmatum (A. Gould, 1845) (unaccepted > superseded combination)
          114. Species Trochus gemmosus Reeve, 1842 accepted as Calliostoma gemmosum (Reeve, 1842) (original combination)
          115. Species Trochus gibberosus Dillwyn, 1817 accepted as Pomaulax gibberosus (Dillwyn, 1817) (unaccepted > superseded combination)
          116. Species Trochus gibbosulus (Brusina, 1865) accepted as Gibbula racketti (Payraudeau, 1826) (synonym)
          117. Species Trochus gilberti Montrouzier, 1878 accepted as Jujubinus gilberti (Montrouzier, 1878) (original combination)
          118. Species Trochus giliberti Souverbie & Montrouzier, 1879 accepted as Jujubinus gilberti (Montrouzier, 1878) (unjustified emendation)
          119. Species Trochus gilvus R. A. Philippi, 1850 accepted as Cantharidus gilvus (R. A. Philippi, 1850) (unaccepted > superseded combination)
          120. Species Trochus girgyllus Reeve, 1861 accepted as Bolma girgyllus (Reeve, 1861) (original combination)
          121. Species Trochus glabratus R. A. Philippi, 1844 accepted as Cantrainea peloritana (Cantraine, 1835) (unaccepted > junior subjective synonym)
          122. Species Trochus glaucus (Möller, 1842) accepted as Margarites olivaceus (T. Brown, 1827) (unaccepted > junior subjective synonym)
          123. Species Trochus gloriamaris P. Pischer, 1898 accepted as Calliotropis infundibulum (R. B. Watson, 1879) (nomen nudum)
          124. Species Trochus glyptus R. B. Watson, 1879 accepted as Calliotropis glypta (R. B. Watson, 1879)
          125. Species Trochus goudoti P. Fischer, 1878 accepted as Priotrochus goudoti (P. Fischer, 1878)
          126. Species Trochus granatum Gmelin, 1791 accepted as Calliostoma tigris (Gmelin, 1791) (junior subjective synonym)
          127. Species Trochus grandinatus Gmelin, 1791 accepted as Tectarius grandinatus (Gmelin, 1791) (original combination)
          128. Species Trochus grandineus Valenciennes, 1846 accepted as Maurea punctulata (Martyn, 1784) (junior subjective synonym)
          129. Species Trochus granosus Martyn, 1784 accepted as Modelia granosa (Martyn, 1784) (superseded combination)
          130. Species Trochus granularis Röding, 1798 accepted as Trochus radiatus Gmelin, 1791 (unaccepted > junior subjective synonym)
          131. Species Trochus granulatus Born, 1778 accepted as Calliostoma granulatum (Born, 1778) (original combination)
            1. Variety Trochus granulatus var. conoidea Jeffreys, 1865 accepted as Calliostoma granulatum (Born, 1778) (synonym)
            2. Variety Trochus granulatus var. lactea Jeffreys, 1865 accepted as Calliostoma granulatum (Born, 1778) (synonym)
            3. Variety Trochus granulatus var. laevis Brugnone, 1873 accepted as Calliostoma brugnonei (Monterosato, 1890) † (preoccupied by Trochus laevis Dillwyn, 1817 and others)
            4. Variety Trochus granulatus var. maculata Bucquoy, Dautzenberg & Dollfus, 1885 accepted as Calliostoma granulatum (Born, 1778) (synonym)
          132. Species Trochus gravesi Forbes, 1844 accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
          133. Species Trochus gravinae Dautzenberg, 1881 accepted as Jujubinus gravinae (Dautzenberg, 1881)
          134. Species Trochus grayanus R. A. Philippi, 1855 accepted as Agathistoma melaleucos (Jonas, 1844) (unaccepted > junior subjective synonym)
          135. Species Trochus groenlandicus Gmelin, 1791 accepted as Margarites groenlandicus (Gmelin, 1791)
            1. Variety Trochus groenlandicus var. albida Jeffreys, 1865 accepted as Margarites groenlandicus (Gmelin, 1791) (synonym)
            2. Variety Trochus groenlandicus var. dilatata Jeffreys, 1865 accepted as Margarites groenlandicus (Gmelin, 1791) (synonym)
            3. Variety Trochus groenlandicus var. laevior Jeffreys, 1865 accepted as Margarites groenlandicus umbilicalis (Broderip & G. B. Sowerby I, 1829) (synonym)
          136. Species Trochus gualterianus R. A. Philippi, 1848 accepted as Calliostoma laugieri (Payraudeau, 1826) (unaccepted > junior subjective synonym)
          137. Species Trochus gualtierii [sic] accepted as Calliostoma gualterianum (R. A. Philippi, 1848) (unaccepted > misspelling - incorrect subsequent spelling)
          138. Species Trochus guildfordiae Reeve, 1842 accepted as Guildfordia triumphans (R. A. Philippi, 1841)
          139. Species Trochus guineensis Gmelin, 1791 accepted as Clanculus guineensis (Gmelin, 1791) (original combination)
          140. Species Trochus guttadauri R. A. Philippi, 1836 accepted as Gibbula guttadauri (R. A. Philippi, 1836) (unaccepted > superseded combination)
          141. Species Trochus haematragus Menke, 1829 accepted as Astralium haematragum (Menke, 1829) (original combination)
          142. Species Trochus hanleyanus Reeve, 1842 sensu Krauss, 1848 accepted as Trochus nigropunctatus Reeve, 1861
          143. Species Trochus helicinus Gmelin, 1791 accepted as Astralium helicinum (Gmelin, 1791)
          144. Species Trochus helicinus (Phipps, 1774) accepted as Margarites helicinus (Phipps, 1774)
            1. Variety Trochus helicinus var. fasciata Jeffreys, 1865 accepted as Margarites helicinus (Phipps, 1774) (synonym)
          145. Species Trochus heliotropium Martyn, 1784 accepted as Astraea heliotropium (Martyn, 1784) (superseded combination)
          146. Species Trochus hemprichii Issel, 1869 accepted as Ethminolia hemprichii (Issel, 1869) (unaccepted > superseded combination)
          147. Species Trochus hirasei Pilsbry, 1904 accepted as Rochia hirasei (Pilsbry, 1904) (original combination)
          148. Species Trochus hombroni P. Fischer, 1878 accepted as Photinula coerulescens (P. P. King, 1832)
          149. Species Trochus hornungi Bisacchi, 1931 accepted as Ethminolia hornungi (Bisacchi, 1931) (original combination)
          150. Species Trochus horridus O. G. Costa, 1861 accepted as Danilia tinei (Calcara, 1839) (synonym)
          151. Species Trochus hotessierianus A. d'Orbigny, 1842 accepted as Agathistoma hotessierianum (A. d'Orbigny, 1842)
          152. Species Trochus hyacinthinus Blainville, 1830 accepted as Calliostoma laugieri (Payraudeau, 1826) (synonym)
          153. Species Trochus hybridus Linnaeus, 1758 accepted as Philippia hybrida (Linnaeus, 1758)
          154. Species Trochus hysginus Valenciennes, 1846 accepted as Trochus elegantulus W. Wood, 1828 (unaccepted > junior subjective synonym)
          155. Species Trochus imbricatus Gmelin, 1791 accepted as Lithopoma tectum ([Lightfoot], 1786)
          156. Species Trochus imperialis Gmelin, 1791 accepted as Astraea heliotropium (Martyn, 1784) (junior subjective synonym)
          157. Species Trochus impervius Menke, 1843 accepted as Oxystele impervia (Menke, 1843) (unaccepted > superseded combination)
          158. Species Trochus impressus Philippi, 1850 accepted as Tegula corvus (R. A. Philippi, 1850) (unaccepted > junior subjective synonym)
          159. Species Trochus inconspicuus R. A. Philippi, 1850 accepted as Calliostoma inconspicuum (R. A. Philippi, 1850) (unaccepted > superseded combination)
          160. Species Trochus incrassatus Lamarck, 1822 accepted as Trochus stellatus Gmelin, 1791 (unaccepted > junior subjective synonym)
          161. Species Trochus indecorus R. A. Philippi, 1846 accepted as Phorcus sauciatus (F. C. L. Koch, 1845)
          162. Species Trochus indicus Gmelin, 1791 accepted as Onustus indicus (Gmelin, 1791) (original combination)
          163. Species Trochus indistinctus W. Wood, 1828 accepted as Calthalotia indistincta (W. Wood, 1828) (original combination)
          164. Species Trochus inflatus Blainville, 1830 accepted as Gibbula cineraria (Linnaeus, 1758) (synonym)
          165. Species Trochus inflatus T. Brown, 1839 accepted as Margarites groenlandica (Gmelin, 1791) (unaccepted > junior subjective synonym)
          166. Species Trochus infundibuliformis Gmelin, 1791 accepted as Heliacus (Teretropoma) infundibuliformis infundibuliformis (Gmelin, 1791)
          167. Species Trochus infundibulum R. B. Watson, 1879 accepted as Calliotropis infundibulum (R. B. Watson, 1879) (superseded combination, and junior homonym of T. infundibulum Brocchi, 1814)
          168. Species Trochus inornatus A. d'Orbigny, 1842 accepted as Episcynia inornata (A. d'Orbigny, 1842) (original combination)
          169. Species Trochus instrictus A. Gould, 1849 accepted as Herpetopoma instrictum (A. Gould, 1849) (original combination)
          170. Species Trochus intermedius Monterosato, 1872 accepted as Phorcus mutabilis (R. A. Philippi, 1851) (name introduced in synonymy, not available)
          171. Species Trochus interruptus W. Wood, 1828 accepted as Cantharidus interruptus (W. Wood, 1828) (superseded combination)
          172. Species Trochus iridescens Schrenck, 1863 accepted as Lirularia iridescens (Schrenck, 1863) (original combination)
          173. Species Trochus iris Gmelin, 1791 accepted as Cantharidus opalus (Martyn, 1784) (junior objective synonym)
          174. Species Trochus irisodontes Quoy & Gaimard, 1834 accepted as Phasianotrochus irisodontes (Quoy & Gaimard, 1834) (unaccepted > superseded combination)
          175. Species Trochus irregularis Leach, 1852 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (synonym)
          176. Species Trochus japonicus Dunker, 1845 accepted as Pomaulax japonicus (Dunker, 1845) (original combination)
          177. Species Trochus javanicus Lamarck, 1822 accepted as Calliostoma javanicum (Lamarck, 1822) (original combination)
          178. Species Trochus jessoensis Schrenck, 1863 accepted as Cantharidus jessoensis (Schrenck, 1863) (superseded combination)
          179. Species Trochus jucundus A. Gould, 1849 accepted as Calliostoma jucundum (A. Gould, 1849) (superseded combination)
          180. Species Trochus jujubinus Gmelin, 1791 accepted as Calliostoma jujubinum (Gmelin, 1791) (original combination)
          181. Species Trochus labio Linnaeus, 1758 accepted as Monodonta labio (Linnaeus, 1758) (original combination)
          182. Species Trochus laceyi (G. B. Sowerby III, 1889) accepted as Clanculus miniatus (Anton, 1838) (unaccepted > superseded combination)
          183. Species Trochus laevigatus Gmelin, 1791 accepted as Gibbula varia (Linnaeus, 1758) (synonym)
          184. Species Trochus laevigatus J. Sowerby, 1817 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (unaccepted > junior subjective synonym)
          185. Species Trochus laevigatus R. A. Philippi, 1836 accepted as Calliostoma gualterianum (R. A. Philippi, 1848) (junior homonym of Trochus laevigatus Gmelin, 1791; synonym)
          186. Species Trochus laevissimus E. von Martens, 1881 accepted as Ilanga laevissima (E. von Martens, 1881) (original combination)
          187. Species Trochus lamberti Souverbie, 1875 accepted as Vaceuchelus roseolus (G. Nevill & H. Nevill, 1869)
          188. Species Trochus laminarum Jeffreys, 1883 accepted as Margarites laminarum (Jeffreys, 1883)
          189. Species Trochus lapillus Reeve, 1861 accepted as Astralium lapillus (Reeve, 1861) (original combination)
          190. Species Trochus largillierti R. A. Philippi, 1849 accepted as Clanculus largillierti (R. A. Philippi, 1849) (unaccepted > superseded combination)
          191. Species Trochus latior Monterosato, 1880 accepted as Steromphala umbilicaris (Linnaeus, 1758) (unaccepted > junior subjective synonym, invalid; not Philippi, 1850)
            1. Variety Trochus latior var. albina Monterosato, 1880 accepted as Gibbula umbilicaris (Linnaeus, 1758) (synonym)
          192. Species Trochus latispina R. A. Philippi, 1844 accepted as Astralium latispina (R. A. Philippi, 1844) (unaccepted > superseded combination)
          193. Species Trochus laugieri Payraudeau, 1826 accepted as Calliostoma laugieri (Payraudeau, 1826)
            1. Variety Trochus laugieri var. olivaceoconcolor Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Calliostoma laugieri (Payraudeau, 1826) (synonym)
          194. Species Trochus leachii R. A. Philippi, 1852 accepted as Margarites costalis (A. Gould, 1841) (unaccepted > junior subjective synonym)
          195. Species Trochus leaensis R. B. Watson, 1880 accepted as Gibbula zonata (W. Wood, 1828) (unaccepted > junior subjective synonym)
          196. Species Trochus leanus C. B. Adams, 1852 accepted as Calliostoma leanum (C. B. Adams, 1852) (unaccepted > superseded combination)
          197. Species Trochus lehmanni Menke, 1843 accepted as Prothalotia lehmanni (Menke, 1843) (original combination)
          198. Species Trochus lenticularis Chemnitz, 1781 accepted as Modulus modulus (Linnaeus, 1758) (unaccepted > unavailable name)
          199. Species Trochus lepidus R. A. Philippi, 1849 accepted as Cantharidus lepidus (R. A. Philippi, 1849) (unaccepted > superseded combination)
          200. Species Trochus lesueuri P. Fischer, 1876 accepted as Prothalotia lesueuri (P. Fischer, 1876) (original combination)
          201. Species Trochus leucophaeus R. A. Philippi, 1836 accepted as Gibbula leucophaea (R. A. Philippi, 1836) (unaccepted > superseded combination)
          202. Species Trochus leucostigma R. A. Philippi, 1845 accepted as Phasianotrochus leucostigma (R. A. Philippi, 1845) (unaccepted > superseded combination)
          203. Species Trochus levis Hombron & Jacquinot, 1848 accepted as Astele armillata (W. Wood, 1828)
          204. Species Trochus lifuanus P. Fischer, 1878 accepted as Sericominolia lifuana (P. Fischer, 1878) (unaccepted > superseded combination)
          205. Species Trochus ligatus A. Gould, 1849 accepted as Calliostoma ligatum (A. Gould, 1849) (superseded combination)
          206. Species Trochus ligulatus Menke, 1851 accepted as Agathistoma ligulatum (Menke, 1851) (unaccepted > superseded combination)
          207. Species Trochus lima R. B. Watson, 1879 accepted as Solariella rhina (R. B. Watson, 1886) (Invalid: junior homonym of Trochus lima Philippi, 1850; T. rhina is a replacement name)
          208. Species Trochus lima R. A. Philippi, 1850 accepted as Calliostoma antonii (F. C. L. Koch, 1843) (unaccepted > junior subjective synonym)
          209. Species Trochus limbatus Quoy & Gaimard, 1834 accepted as Clanculus limbatus (Quoy & Gaimard, 1834) (original combination)
          210. Species Trochus lineatus da Costa, 1778 accepted as Phorcus lineatus (da Costa, 1778)
          211. Species Trochus lineatus R. A. Philippi, 1845 accepted as Photinula coerulescens (P. P. King, 1832) (not Trochus lineatus da Costa, 1778)
          212. Species Trochus lineatus Lamarck, 1822 accepted as Trochus hanleyanus Reeve, 1842 (unaccepted > junior subjective synonym, invalid; not Da Costa, 1778)
          213. Species Trochus lineolatus O. G. Costa, 1830 accepted as Gibbula divaricata (Linnaeus, 1758) (invalid: junior homonym of Trochus lineolatus Risso, 1826)
          214. Species Trochus lineolatus Potiez & Michaud, 1838 accepted as Gibbula cineraria (Linnaeus, 1758) (synonym)
          215. Species Trochus lineolatus Risso, 1826 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (synonym)
          216. Species Trochus lineolatus Bianconi, 1865 accepted as Priotrochus obscurus obscurus (W. Wood, 1828) (junior primary homonym of Trochus lineolatus Risso, 1826)
          217. Species Trochus listeri W. Wood, 1828 accepted as Trochus colubrinus Gould, 1849 (invalid; not Stewart, 1802)
          218. Species Trochus lithophorus Blumenbach, 1803 accepted as Xenophora conchyliophora (Born, 1780)
          219. Species Trochus littoralis Brusina, 1865 accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
          220. Species Trochus littoralis T. Brown, 1827 accepted as Steromphala cineraria (Linnaeus, 1758) (unaccepted > junior subjective synonym)
          221. Species Trochus longispina Lamarck, 1822 accepted as Lithopoma phoebium (Röding, 1798) (unaccepted > junior subjective synonym)
          222. Species Trochus lucidus Risso, 1826 accepted as Calliostoma conulus (Linnaeus, 1758) (synonym)
          223. Species Trochus luctuosus A. d'Orbigny, 1841 accepted as Tegula luctuosa (A. d'Orbigny, 1841) (unaccepted > superseded combination)
          224. Species Trochus ludwigi Krauss, 1848 accepted as Gibbula benzi (Krauss, 1848) (synonym)
          225. Species Trochus lugubris Gmelin, 1791 accepted as Diloma aethiops (Gmelin, 1791) (junior subjective synonym)
          226. Species Trochus lunaris Gmelin, 1791 accepted as Limacina retroversa (J. Fleming, 1823) (declared nomen oblitum by Janssen (2012))
          227. Species Trochus lunatus Röding, 1798 accepted as Calliostoma jujubinum (Gmelin, 1791)
          228. Species Trochus luteus Quoy & Gaimard, 1834 accepted as Bembicium melanostoma (Gmelin, 1791) (a junior synonym)
          229. Species Trochus lyciacus Forbes, 1844 accepted as Gibbula albida (Gmelin, 1791) (synonym)
          230. Species Trochus lyonsii Leach, 1850 accepted as Calliostoma zizyphinum (Linnaeus, 1758) (synonym)
          231. Species Trochus macandreae P. P. Carpenter, 1857 accepted as Calliostoma leanum (C. B. Adams, 1852) (unaccepted > junior subjective synonym)
          232. Species Trochus maculatus Risso, 1826 accepted as Calliostoma laugieri (Payraudeau, 1826) (dubious synonym)
          233. Species Trochus maderensis R. T. Lowe, 1843 accepted as Osilinus sauciatus (F. C. L. Koch, 1845) (unaccepted > nomen nudum)
          234. Species Trochus magnificus (Poppe, 2004) accepted as Rochia magnifica (Poppe, 2004)
          235. Species Trochus magulus Deshayes, 1835 accepted as Gibbula albida (Gmelin, 1791) (synonym)
          236. Species Trochus magus Linnaeus, 1758 accepted as Gibbula magus (Linnaeus, 1758) (original combination)
            1. Variety Trochus magus var. alba Jeffreys, 1865 accepted as Gibbula magus (Linnaeus, 1758) (synonym)
            2. Variety Trochus magus var. dilatata Chiamenti, 1900 accepted as Gibbula magus (Linnaeus, 1758) (synonym)
            3. Variety Trochus magus var. elata Sandri & Danilo, 1856 accepted as Gibbula magus (Linnaeus, 1758) (synonym)
            4. Variety Trochus magus var. obsoleta Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula magus (Linnaeus, 1758) (synonym)
            5. Variety Trochus magus var. producta Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula magus (Linnaeus, 1758) (synonym)
          237. Species Trochus marcidus A. Gould, 1853 accepted as Tegula pulligo (Gmelin, 1791) (junior subjective synonym)
          238. Species Trochus margaritarius (R. A. Philippi, 1846) accepted as Clanculus margaritarius (R. A. Philippi, 1846) (unaccepted > superseded combination)
          239. Species Trochus margaritula F. Sandberger, 1859 accepted as Margarites margaritula (F. Sandberger, 1859) † (unaccepted > superseded combination)
          240. Species Trochus mariei Fischer, 1886 accepted as Pagodatrochus variabilis (H. Adams, 1873)
          241. Species Trochus marmoreus Pease, 1868 accepted as Cantharidus marmoreus (Pease, 1868) (superseded combination)
          242. Species Trochus martini T. Brown, 1839 accepted as Clelandella miliaris (Brocchi, 1814) (synonym)
          243. Species Trochus matonii Payraudeau, 1826 accepted as Jujubinus exasperatus (Pennant, 1777) (unaccepted > junior subjective synonym)
          244. Species Trochus maugeri W. Wood, 1828 accepted as Clanculus maugeri (W. Wood, 1828) (original combination)
          245. Species Trochus mauritianus Gmelin, 1791 accepted as Tectus mauritianus (Gmelin, 1791) (original combination)
          246. Species Trochus maximus F. C. L. Koch, 1844 accepted as Rochia maxima (F. C. L. Koch, 1844) (unaccepted > superseded combination)
          247. Species Trochus mediterraneus W. Wood, 1828 accepted as Clanculus cruciatus (Linnaeus, 1758) (junior synonym)
          248. Species Trochus melaleucos Jonas, 1844 accepted as Agathistoma melaleucos (Jonas, 1844) (unaccepted > superseded combination)
          249. Species Trochus melanchlorus Philippi, 1851 accepted as Monodonta viridis Lamarck, 1816 (unaccepted > junior subjective synonym)
          250. Species Trochus melanostoma Reeve, 1843 accepted as Bembicium melanostoma (Gmelin, 1791)
          251. Species Trochus melanostoma Gmelin, 1791 accepted as Bembicium melanostoma (Gmelin, 1791) (unaccepted > superseded combination)
          252. Species Trochus menkeanus R. A. Philippi, 1844 accepted as Gibbula zonata (W. Wood, 1828) (unaccepted > junior subjective synonym)
          253. Species Trochus merula (Röding, 1798) accepted as Oxystele sinensis (Gmelin, 1791)
            1. Variety Trochus merula var. tigrinus Dillwyn, 1817 accepted as Oxystele tigrina (Dillwyn, 1817) (basionym)
          254. Species Trochus meruloides Krauss, 1848 accepted as Oxystele sinensis (Gmelin, 1791)
          255. Species Trochus metallicus Reeve, 1861 accepted as Trochus sandwichiensis Souleyet, 1852 (junior synonym)
          256. Species Trochus meyeri R. A. Philippi, 1849 accepted as Astele armillata (W. Wood, 1828) (unaccepted > junior subjective synonym)
          257. Species Trochus michaudi Blainville, 1830 accepted as Gibbula philberti (Récluz, 1843) (dubious synonym)
          258. Species Trochus miliaris Brocchi, 1814 accepted as Clelandella miliaris (Brocchi, 1814)
          259. Species Trochus millegranus R. A. Philippi, 1836 accepted as Clelandella miliaris (Brocchi, 1814) (unaccepted > junior subjective synonym)
            1. Variety Trochus millegranus var. pyramidata Jeffreys, 1865 accepted as Clelandella miliaris (Brocchi, 1814) (synonym)
          260. Species Trochus miniatus Anton, 1838 accepted as Clanculus miniatus (Anton, 1838) (original combination)
            1. Variety Trochus miniatus var. carinatus (A. Adams, 1853) accepted as Clanculus miniatus (Anton, 1838)
          261. Species Trochus minimum Benoit, 1843 accepted as Homalopoma sanguineum (Linnaeus, 1758) (dubious synonym)
          262. Species Trochus minutulus Jeffreys, 1883 accepted as Lissotesta minima (G. Seguenza, 1876) (synonym)
          263. Species Trochus modestus Reeve, 1843 accepted as Bolma modesta (Reeve, 1843) (original combination)
          264. Species Trochus modulus Linnaeus, 1758 accepted as Modulus modulus (Linnaeus, 1758) (original combination)
          265. Species Trochus moestus Jonas, 1844 accepted as Tegula atra (R. P. Lesson, 1831) (unaccepted > junior subjective synonym)
          266. Species Trochus mongenii Monterosato, 1872 accepted as Phorcus mutabilis (R. A. Philippi, 1851) (name introduced in synonymy, not available)
          267. Species Trochus montacuti Jeffreys, 1865 accepted as Jujubinus montagui (W. Wood, 1828) (unjustified emendation)
          268. Species Trochus montagui W. Wood, 1828 accepted as Jujubinus montagui (W. Wood, 1828) (original combination)
          269. Species Trochus montebelloensis Preston, 1914 accepted as Tectus niloticus (Linnaeus, 1767) (unaccepted > junior subjective synonym)
          270. Species Trochus montereyi Kiener, 1850 accepted as Tegula montereyi (Kiener, 1850) (original combination)
          271. Species Trochus multicolor Krauss, 1848 accepted as Gibbula multicolor (Krauss, 1848) (original combination)
          272. Species Trochus multigranus R. A. Philippi, 1848 accepted as Clanculus corallinus (Gmelin, 1791) (unaccepted > junior subjective synonym)
          273. Species Trochus muricatus Linnaeus, 1758 accepted as Cenchritis muricatus (Linnaeus, 1758) (unaccepted > superseded combination)
          274. Species Trochus mutabilis R. A. Philippi, 1851 accepted as Phorcus mutabilis (R. A. Philippi, 1851) (unaccepted > superseded combination)
          275. Species Trochus nanus Lamarck, 1822 accepted as Bembicium nanum (Lamarck, 1822)
          276. Species Trochus nebulosus R. A. Philippi, 1849 accepted as Steromphala nebulosa (R. A. Philippi, 1849) (unaccepted > superseded combination)
          277. Species Trochus neritoides Gmelin, 1791 accepted as Margarites helicinus (Phipps, 1774) (a junior synonym)
          278. Species Trochus neritoides R. A. Philippi, 1850 accepted as Monodonta neritoides (R. A. Philippi, 1849) (unaccepted > superseded combination)
          279. Species Trochus nigerrimus Gmelin, 1791 accepted as Tegula nigerrima (Gmelin, 1791) (original combination)
          280. Species Trochus nigerrimus Blainville, 1830 accepted as Calliostoma conulus (Linnaeus, 1758)
          281. Species Trochus nigricolor Dunker, 1860 accepted as Tegula xanthostigma (A. Adams, 1853) (unaccepted > junior subjective synonym)
          282. Species Trochus niloticus Linnaeus, 1767 accepted as Rochia nilotica (Linnaeus, 1767) (unaccepted > superseded combination)
          283. Species Trochus nobilis R. A. Philippi, 1849 accepted as Astele rubiginosa (Valenciennes, 1846) (unaccepted > junior subjective synonym)
            1. Variety Trochus nobilis var. splendidus R. A. Philippi, 1855 accepted as Astele rubiginosa (Valenciennes, 1846)
          284. Species Trochus noduliferus Lamarck, 1822 accepted as Tectus noduliferus (Lamarck, 1822)
          285. Species Trochus nodulosus Gmelin, 1791 accepted as Nodilittorina pyramidalis (Quoy & Gaimard, 1833) (unaccepted > junior homonym, of Trochus nodulosus Solander, 1766)
          286. Species Trochus nordmanni Schrenck, 1862 accepted as Tegula pfeifferi pfeifferi (R. A. Philippi, 1846)
          287. Species Trochus novaezelandiae Anton, 1838 accepted as Diloma subrostratum (J. E. Gray, 1835) (junior subjective synonym)
          288. Species Trochus nucleus R. A. Philippi, 1850 accepted as Rossiteria nucleus (R. A. Philippi, 1850) (unaccepted > superseded combination)
          289. Species Trochus nudus R. A. Philippi, 1845 accepted as Calliostoma nudum (R. A. Philippi, 1845) (unaccepted > superseded combination)
          290. Species Trochus obeliscus Gmelin, 1791 accepted as Tectus pyramis (Born, 1778)
          291. Species Trochus obesus Reeve, 1861 accepted as Trochus tubiferus Kiener, 1850 (junior synonym)
          292. Species Trochus obliquatus Gmelin, 1791 accepted as Gibbula umbilicalis (da Costa, 1778) (dubious synonym)
            1. Variety Trochus obliquatus var. paupercula Monterosato, 1888 accepted as Gibbula pennanti (R. A. Philippi, 1851) (synonym)
          293. Species Trochus oblitus Reeve, 1861 accepted as Trochus squarrosus Lamarck, 1822 (junior synonym)
          294. Species Trochus obscurus W. Wood, 1828 accepted as Priotrochus obscurus (W. Wood, 1828) (original combination)
          295. Species Trochus obscurus (Couthouy, 1838) accepted as Solariella obscura (Couthouy, 1838) (unaccepted > superseded combination)
          296. Species Trochus obtusatus R. A. Philippi, 1847 accepted as Modulus obtusatus (R. A. Philippi, 1847) (unaccepted > superseded combination)
          297. Species Trochus obtusus Dillwyn, 1817 accepted as Austrocochlea constricta (Lamarck, 1822)
          298. Species Trochus occidentalis Mighels & C. B. Adams, 1842 accepted as Calliostoma occidentale (Mighels & C. B. Adams, 1842)
            1. Variety Trochus occidentalis var. pura Jeffreys, 1865 accepted as Calliostoma occidentale (Mighels & C. B. Adams, 1842) (synonym)
          299. Species Trochus ochotensis R. A. Philippi, 1851 accepted as Margarites schantaricus (Middendorff, 1849) (unaccepted > junior subjective synonym)
          300. Species Trochus ochraceus R. A. Philippi, 1846 accepted as Pomaulax gibberosus (Dillwyn, 1817) (unaccepted > junior subjective synonym)
          301. Species Trochus ochroleucus R. A. Philippi, 1850 accepted as Clanculus albanyensis Jansen, 1995 (unaccepted > junior homonym, junior primary homonym of Trochus ochroleucus Gmelin, 1791; Clanculus albanyensis is a replacement name)
          302. Species Trochus ochroleurcus [sic] accepted as Trochus ochroleucus Gmelin, 1791 (misspelling)
          303. Species Trochus odontis W. Wood, 1828 accepted as Chlorodiloma odontis (W. Wood, 1828) (original combination)
          304. Species Trochus olfersii R. A. Philippi, 1850 accepted as Lithopoma tectum ([Lightfoot], 1786)
          305. Species Trochus olivaceus Anton, 1838 accepted as Steromphala adriatica (R. A. Philippi, 1844) (junior synonym)
          306. Species Trochus olivaceus (T. Brown, 1827) accepted as Margarites olivaceus (T. Brown, 1827) (unaccepted > superseded combination)
          307. Species Trochus olivaceus W. Wood, 1828 accepted as Uvanilla olivacea (W. Wood, 1828) (unaccepted > superseded combination)
          308. Species Trochus onustus [Lightfoot], 1786 accepted as Xenophora conchyliophora (Born, 1780)
          309. Species Trochus oppressus (F. W. Hutton, 1878) accepted as Coelotrochus oppressus (F. W. Hutton, 1878) (superseded combination)
            1. Variety Trochus oppressus var. dunedinensis Suter, 1907 accepted as Coelotrochus chathamensis (F. W. Hutton, 1873) (junior subjective synonym)
          310. Species Trochus ornatus Lamarck, 1822 accepted as Calliostoma ornatum (Lamarck, 1822) (unaccepted > junior homonym, junior homonym of Trochus ornatus Lamarck, 1804)
          311. Species Trochus ottoi R. A. Philippi, 1844 accepted as Calliotropis ottoi (R. A. Philippi, 1844) (unaccepted > superseded combination)
          312. Species Trochus pallidulus Dunker, 1857 accepted as Calliostoma laugieri (Payraudeau, 1826)
          313. Species Trochus pallidus Hombron & Jacquinot, 1848 accepted as Cantharidus purpureus (Gmelin, 1791) (junior subjective synonym)
          314. Species Trochus papillosum da Costa, 1778 accepted as Calliostoma granulatum (Born, 1778) (incorrect gender termination)
          315. Species Trochus papillosus da Costa, 1778 accepted as Calliostoma granulatum (Born, 1778) (synonym)
          316. Species Trochus parvulus R. A. Philippi, 1844 accepted as Jujubinus montagui (W. Wood, 1828) (unaccepted > junior subjective synonym)
          317. Species Trochus patagonicus A. d'Orbigny, 1838 accepted as Agathistoma patagonicum (A. d'Orbigny, 1838) (unaccepted > superseded combination)
          318. Species Trochus patholatus Dillwyn, 1817 accepted as Gibbula tumida (Montagu, 1803) (synonym)
          319. Species Trochus patricius R. A. Philippi, 1851 accepted as Monilea patricia (R. A. Philippi, 1851) (unaccepted > superseded combination)
          320. Species Trochus pauperculus Lischke, 1872 accepted as Herpetopoma pauperculum (Lischke, 1872) (original combination)
          321. Species Trochus pellisserpentis W. Wood, 1828 accepted as Tegula pellisserpentis (W. Wood, 1828) (original combination)
          322. Species Trochus pellucidus Valenciennes, 1846 accepted as Calliostoma pellucidum (Valenciennes, 1846) (superseded combination)
          323. Species Trochus pennanti R. A. Philippi, 1851 accepted as Gibbula pennanti (R. A. Philippi, 1851) (unaccepted > superseded combination)
          324. Species Trochus perforatus T. Brown, 1839 accepted as Steromphala cineraria (Linnaeus, 1758) (unaccepted > junior subjective synonym)
          325. Species Trochus perlatus Gmelin, 1791 accepted as Modulus perlatus (Gmelin, 1791)
          326. Species Trochus peronii R. A. Philippi, 1850 accepted as Cantharidus peronii (R. A. Philippi, 1850) (unaccepted > superseded combination)
          327. Species Trochus personatus R. A. Philippi, 1849 accepted as Clanculus personatus (R. A. Philippi, 1849) (unaccepted > superseded combination)
          328. Species Trochus perspectiviunculus Dillwyn, 1817 accepted as Heliacus (Heliacus) variegatus (Gmelin, 1791)
          329. Species Trochus perspectivus Linnaeus, 1758 accepted as Architectonica perspectiva (Linnaeus, 1758) (original combination)
          330. Species Trochus perspectivus F. C. L. Koch, 1843 accepted as Calliostoma jujubinum (Gmelin, 1791) (junior homonym of Trochus perspectivus Linnaeus, 1758; synonym)
          331. Species Trochus perversus Linnaeus, 1758 accepted as Monophorus perversus (Linnaeus, 1758) (original combination)
          332. Species Trochus pfeifferi R. A. Philippi, 1846 accepted as Tegula pfeifferi (R. A. Philippi, 1846) (unaccepted > superseded combination)
          333. Species Trochus pharaonius Linnaeus, 1758 accepted as Clanculus pharaonius (Linnaeus, 1758)
          334. Species Trochus phasianella Brookes, 1815 accepted as Phasianella australis (Gmelin, 1791) (probable junior subjective synonym)
          335. Species Trochus phasianellus (Deshayes, 1863) accepted as Calliotrochus marmoreus (Pease, 1861)
          336. Species Trochus philberti Récluz, 1843 accepted as Gibbula philberti (Récluz, 1843)
            1. Variety Trochus philberti var. grisea Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula philberti (Récluz, 1843) (synonym)
            2. Variety Trochus philberti var. nigra Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula philberti (Récluz, 1843) (synonym)
          337. Species Trochus philippensis R. B. Watson, 1880 accepted as Spectamen philippense (R. B. Watson, 1880) (unaccepted > superseded combination)
          338. Species Trochus philippii Aradas, 1847 accepted as Gibbula cineraria (Linnaeus, 1758) (synonym)
          339. Species Trochus picoides A. Gould, 1853 accepted as Livona pica (Linnaeus, 1758)
          340. Species Trochus pictus W. Wood, 1828 accepted as Thalotia conica (J. E. Gray, 1826)
          341. Species Trochus pictus R. A. Philippi, 1846 accepted as Gibbula spratti (Forbes, 1844) (dubious synonym, preoccupied by Trochus pictus Wood, 1828)
          342. Species Trochus pileolum Reeve, 1842 accepted as Astralium pileolum (Reeve, 1842) (original combination)
          343. Species Trochus pileus Lamarck, 1822 accepted as Trochita pileus (Lamarck, 1822) (unaccepted > superseded combination)
          344. Species Trochus piperinus R. A. Philippi, 1849 accepted as Diloma piperinum (R. A. Philippi, 1849) (unaccepted > superseded combination)
          345. Species Trochus planus Quoy & Gaimard, 1834 accepted as Bembicium nanum (Lamarck, 1822)
          346. Species Trochus plebejus R. A. Philippi, 1851 accepted as Clanculus plebejus (R. A. Philippi, 1851) (unaccepted > superseded combination)
          347. Species Trochus polaris R. A. Philippi, 1852 accepted as Margarites costalis (A. Gould, 1841) (unaccepted > junior subjective synonym)
          348. Species Trochus ponsonbyi G. B. Sowerby III, 1888 accepted as Priotrochus obscurus ponsonbyi (G. B. Sowerby III, 1888) † (unaccepted > superseded combination)
          349. Species Trochus poupineli Montrouzier, 1875 accepted as Dactylastele poupineli (Montrouzier, 1875) (original combination)
          350. Species Trochus preissianus R. A. Philippi, 1849 accepted as Notogibbula preissiana (R. A. Philippi, 1849) (unaccepted > superseded combination)
          351. Species Trochus preissii Menke, 1843 accepted as Prothalotia pulcherrima (W. Wood, 1828)
          352. Species Trochus prodictus P. Fischer, 1879 accepted as Ethminolia probabilis Iredale, 1924 (unaccepted > superseded combination)
          353. Species Trochus profugus De Gregorio, 1889 accepted as Danilia tinei (Calcara, 1839) (synonym)
          354. Species Trochus pruninus A. Gould, 1849 accepted as Cantharidus capillaceus (R. A. Philippi, 1849) (unaccepted > junior subjective synonym)
          355. Species Trochus pudibundus P. Fischer, 1878 accepted as Monilea pudibunda (Fischer, 1878) (unaccepted > superseded combination)
          356. Species Trochus puella R. A. Philippi, 1848 accepted as Prothalotia pulcherrima (W. Wood, 1828) (unaccepted > junior subjective synonym)
          357. Species Trochus pulchellus R. A. Philippi, 1846 accepted as Calliostoma pulchellum (R. A. Philippi, 1846) (unaccepted > superseded combination)
          358. Species Trochus pulcher C. B. Adams, 1850 accepted as Calliostoma pulchrum (C. B. Adams, 1850)
          359. Species Trochus pulcherrimus W. Wood, 1828 accepted as Prothalotia pulcherrima (W. Wood, 1828)
          360. Species Trochus pulligo Gmelin, 1791 accepted as Tegula pulligo (Gmelin, 1791) (original combination)
          361. Species Trochus punctulatus Martyn, 1784 accepted as Maurea punctulata (Martyn, 1784) (superseded combination)
          362. Species Trochus puniceus (R. A. Philippi, 1846) accepted as Clanculus puniceus (R. A. Philippi, 1846) (unaccepted > superseded combination)
          363. Species Trochus pupillus A. Gould, 1849 accepted as Margarites pupillus (A. Gould, 1849) (original combination)
          364. Species Trochus purpureus Risso, 1826 accepted as Clanculus cruciatus (Linnaeus, 1758) (synonym)
          365. Species Trochus pyramidatus Lamarck, 1822 accepted as Jujubinus exasperatus (Pennant, 1777) (synonym)
          366. Species Trochus pyramis Born, 1778 accepted as Tectus pyramis (Born, 1778) (unaccepted > superseded combination)
          367. Species Trochus quadricarinatus Holten, 1802 accepted as Euchelus asper (Gmelin, 1791)
          368. Species Trochus quadricinctus Megerle von Mühlfeld, 1824 accepted as Echinolittorina quadricincta (Megerle von Mühlfeld, 1824)
          369. Species Trochus quadricostatus W. Wood, 1828 accepted as Agathistoma quadricostatum (W. Wood, 1828) (unaccepted > superseded combination)
          370. Species Trochus quoyi R. A. Philippi, 1851 accepted as Phasianotrochus eximius (G. Perry, 1811) (unaccepted > junior subjective synonym)
          371. Species Trochus racketti Payraudeau, 1826 accepted as Gibbula racketti (Payraudeau, 1826)
            1. Variety Trochus racketti var. albidoconica Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula racketti (Payraudeau, 1826) (synonym)
          372. Species Trochus radians Lamarck, 1816 accepted as Trochita trochiformis (Born, 1778) (unaccepted > junior subjective synonym)
          373. Species Trochus radiatus Anton, 1838 accepted as Phorcus richardi (Payraudeau, 1826) (synonym)
          374. Species Trochus ramburi Crosse, 1864 accepted as Prothalotia ramburi (Crosse, 1864) (original combination)
          375. Species Trochus rarilineatus Michaud, 1829 accepted as Gibbula rarilineata (Michaud, 1829)
          376. Species Trochus rarus Dufo, 1840 accepted as Clanculus rarus (Dufo, 1840) (original combination)
          377. Species Trochus reevei Montrouzier, 1866 accepted as Eurytrochus reevei (Montrouzier, 1866) (original combination)
          378. Species Trochus reinierius Risso, 1826 accepted as Jujubinus exasperatus (Pennant, 1777) (synonym)
          379. Species Trochus reticularis W. Wood, 1828 accepted as Diloma aethiops (Gmelin, 1791) (junior subjective synonym)
          380. Species Trochus reticulatus W. Wood, 1828 accepted as Agathistoma verrucosum (J. H. McLean, 1970) (unaccepted > junior homonym, of Trochus reticulatus J. Sowerby, 1821)
          381. Species Trochus rhina R. B. Watson, 1886 accepted as Solariella rhina (R. B. Watson, 1886) (unaccepted > superseded combination)
          382. Species Trochus rhodomphalus Souverbie, 1875 accepted as Ethaliella rhodomphala (Souverbie, 1875) (original combination)
          383. Species Trochus rhodostomus Lamarck, 1822 accepted as Astralium rhodostomum (Lamarck, 1822) (unaccepted > superseded combination)
          384. Species Trochus rhysus R. B. Watson, 1879 accepted as Calliotropis rhysa (R. B. Watson, 1879) (unaccepted > superseded combination)
          385. Species Trochus richardi (Payraudeau, 1826) accepted as Phorcus richardi (Payraudeau, 1826)
            1. Variety Trochus richardi var. major Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus richardi (Payraudeau, 1826) (synonym)
            2. Variety Trochus richardi var. pallida Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus richardi (Payraudeau, 1826) (synonym)
            3. Variety Trochus richardi var. zigzag Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus richardi (Payraudeau, 1826) (synonym)
          386. Species Trochus rigata R. A. Philippi, 1849 accepted as Trochus rigatus R. A. Philippi, 1849 (unaccepted > incorrect grammatical agreement of specific epithet)
          387. Species Trochus rigatus R. A. Philippi, 1849 accepted as Monilea callifera (Lamarck, 1822) (unaccepted > junior subjective synonym)
          388. Species Trochus roissyi Payraudeau, 1826 accepted as Gibbula varia (Linnaeus, 1758) (synonym)
          389. Species Trochus roseolus (G. Nevill & H. Nevill, 1869) accepted as Vaceuchelus roseolus (G. Nevill & H. Nevill, 1869) (unaccepted > superseded combination)
          390. Species Trochus roseus Salis Marschlins, 1793 accepted as Clanculus corallinus (Gmelin, 1791) (synonym)
          391. Species Trochus roseus Gmelin, 1791 accepted as Gibbula rosea (Gmelin, 1791)
          392. Species Trochus rossii R. A. Philippi, 1850 accepted as Margarites groenlandicus (Gmelin, 1791) (unaccepted > junior subjective synonym)
          393. Species Trochus rostratus Gmelin, 1791 accepted as Cantharidus purpureus (Gmelin, 1791) (junior subjective synonym)
          394. Species Trochus rotellinus A. Gould, 1849 accepted as Camitia rotellina (A. Gould, 1849) (superseded combination)
          395. Species Trochus rotularius Lamarck, 1822 accepted as Astralium rotularium (Lamarck, 1822) (unaccepted > superseded combination)
          396. Species Trochus rouaultii Hupé, 1854 accepted as Prisogaster niger (W. Wood, 1828) (unaccepted > junior subjective synonym, Prisogaster niger (partim); Chlorostoma atra (partim))
          397. Species Trochus royanus Iredale, 1912 accepted as Tectus royanus (Iredale, 1912) (original combination)
          398. Species Trochus rubiginosus Valenciennes, 1846 accepted as Astele rubiginosa (Valenciennes, 1846) (unaccepted > superseded combination)
          399. Species Trochus rubroflammulatus F. C. L. Koch, 1843 accepted as Tegula rubroflammulata (F. C. L. Koch, 1843) (unaccepted > superseded combination)
          400. Species Trochus ruscurianus Weinkauff, 1868 accepted as Jujubinus ruscurianus (Weinkauff, 1868)
          401. Species Trochus rusticus Gmelin, 1791 accepted as Tegula rustica (Gmelin, 1791)
          402. Species Trochus sagittiferus Lamarck, 1822 accepted as Phorcus sauciatus (F. C. L. Koch, 1845) (possible senior synonym)
          403. Species Trochus samoensis Hombron & Jacquinot, 1848 accepted as Clanculus samoensis (Hombron & Jacquinot, 1848) (original combination)
          404. Species Trochus sandwichiensis Souleyet, 1852 accepted as Trochus intextus Kiener, 1850
          405. Species Trochus sarniensis Norman, 1888 accepted as Gibbula umbilicalis (da Costa, 1778) (synonym)
          406. Species Trochus satrapius E. von Martens, 1874 accepted as Clanculus satrapius (E. von Martens, 1874) (original combination)
          407. Species Trochus sauciatus F. C. L. Koch, 1845 accepted as Phorcus sauciatus (F. C. L. Koch, 1845) (unaccepted > superseded combination)
          408. Species Trochus saulcyi A. d'Orbigny, 1840 accepted as Phorcus atratus (W. Wood, 1828)
          409. Species Trochus scaber Linnaeus, 1758 accepted as Euchelus scaber (Linnaeus, 1758) (original combination)
          410. Species Trochus scabrosus Jeffreys, 1883 accepted as Putzeysia wiseri (Calcara, 1842) (name introduced in synonymy, not available)
          411. Species Trochus scabrosus R. A. Philippi, 1850 accepted as Clanculus scabrosus (R. A. Philippi, 1850) (unaccepted > superseded combination)
          412. Species Trochus scalaris R. A. Philippi, 1844 accepted as Tegula lividomaculata (C. B. Adams, 1845) (unaccepted > junior subjective synonym)
          413. Species Trochus schantaricus Middendorff, 1849 accepted as Margarites schantaricus (Middendorff, 1849) (original combination)
          414. Species Trochus scrobiculatus Souverbie, 1866 accepted as Vaceuchelus scrobiculatus (Souverbie, 1866) (original combination)
          415. Species Trochus selectus Dillwyn, 1817 accepted as Calliostoma selectum (Dillwyn, 1817) (superseded combination)
          416. Species Trochus semicostatus Kiener, 1850 accepted as Astralium semicostatum (Kiener, 1850) (original combination)
          417. Species Trochus semiglobosus Aradas, 1847 accepted as Gibbula pennanti (R. A. Philippi, 1851) (dubious synonym)
          418. Species Trochus semiustus P. Fischer, 1879 accepted as Vanitrochus semiustus (P. Fischer, 1879) (original combination)
          419. Species Trochus senegalensis Menke, 1853 accepted as Gibbula senegalensis (Menke, 1853) (unaccepted > superseded combination)
          420. Species Trochus seriatus Megerle von Mühlfeld, 1824 accepted as Monophorus perversus (Linnaeus, 1758) (synonym)
          421. Species Trochus seriopunctatus Blainville, 1830 accepted as Calliostoma laugieri (Payraudeau, 1826) (synonym)
          422. Species Trochus signatus Jonas, 1844 accepted as Priotrochus obscurus obscurus (W. Wood, 1828) (unaccepted > junior subjective synonym)
          423. Species Trochus sinensis Gmelin, 1791 accepted as Oxystele sinensis (Gmelin, 1791) (original combination)
          424. Species Trochus sismondae Issel, 1869 accepted as Peasiella isseli (Issel, 1869)
          425. Species Trochus smaltatus P. Fischer, 1879 accepted as Cratidentium balteatum (R. A. Philippi, 1850) (unaccepted > junior subjective synonym)
          426. Species Trochus smaragdinus Monterosato, 1880 accepted as Jujubinus striatus (Linnaeus, 1758)
            1. Variety Trochus smaragdinus var. albina Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
          427. Species Trochus smaragdus Reeve, 1861 accepted as Trochus maculatus Linnaeus, 1758 (junior synonym)
          428. Species Trochus smithi W. Wood, 1828 accepted as Clanculus undatus (Lamarck, 1816) (original combination)
          429. Species Trochus socius P. Fischer, 1895 accepted as Jujubinus exasperatus (Pennant, 1777) (dubious synonym)
          430. Species Trochus solandri R. A. Philippi, 1851 accepted as Monilea solandri (R. A. Philippi, 1851) (unaccepted > superseded combination)
          431. Species Trochus solaris Linnaeus, 1764 accepted as Stellaria solaris (Linnaeus, 1764) (original combination)
          432. Species Trochus solaris Brocchi, 1814 accepted as Bolma rugosa (Linnaeus, 1767) (synonym)
          433. Species Trochus spengleri Gmelin, 1791 accepted as Trochus sacellum R. A. Philippi, 1855 (uncertain senior synonym)
          434. Species Trochus spinulosus Lamarck, 1822 accepted as Astralium phoebium (Röding, 1798) (unaccepted > junior subjective synonym)
          435. Species Trochus splendidus Reeve, 1855 accepted as Astele rubiginosa (Valenciennes, 1846)
          436. Species Trochus spratti Forbes, 1844 accepted as Gibbula spratti (Forbes, 1844)
          437. Species Trochus spurcus Gould, 1849 accepted as Gibbula spurca (A. Gould, 1849)
          438. Species Trochus squamiferus F. C. L. Koch, 1844 accepted as Bellastraea squamifera (F. C. L. Koch, 1844) (unaccepted > superseded combination)
          439. Species Trochus stefaninii Nardini, 1934 † accepted as Clanculus pharaonius (Linnaeus, 1758) (synonym)
          440. Species Trochus stellio Fischer, 1878 accepted as Euchelus stellio (Fischer, 1878) (unaccepted > superseded combination)
          441. Species Trochus stenomphalus G. B. Sowerby III, 1890 accepted as Trochus fultoni G. B. Sowerby III, 1890 † (junior synonym)
          442. Species Trochus stenomphalus Jonas, 1844 accepted as Agathistoma tridentatum (Potiez & Michaud, 1838) (unaccepted > junior subjective synonym)
          443. Species Trochus stephanephorus R. B. Watson, 1886 accepted as Calliostoma stephanephorum (R. B. Watson, 1886) (unaccepted > superseded combination)
          444. Species Trochus stramineus Gmelin, 1791 accepted as Heliacus (Grandeliacus) stramineus (Gmelin, 1791)
          445. Species Trochus striatulus Kiener, 1850 accepted as Tegula brunnea (R. A. Philippi, 1849)
          446. Species Trochus striatulus Garrett, 1857 accepted as Calliotrochus marmoreus (Pease, 1861) (invalid: junior homonym of Trochus striatulus Deshayes, 1842; Trochinella perconfusa Iredale, 1937 is a replacement name)
          447. Species Trochus striatus Linnaeus, 1758 accepted as Jujubinus striatus (Linnaeus, 1758)
            1. Variety Trochus striatus var. elenchoides Issel, 1878 accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
            2. Variety Trochus striatus var. monterosatoi Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Jujubinus exasperatus (Pennant, 1777)
            3. Variety Trochus striatus var. smaragdina Monterosato, 1880 accepted as Jujubinus striatus (Linnaeus, 1758) (synonym)
          448. Species Trochus strigilatus Anton, 1838 accepted as Tegula pellisserpentis (W. Wood, 1828) (unaccepted > junior objective synonym)
          449. Species Trochus strigosus Gmelin, 1791 accepted as Gibbula cineraria (Linnaeus, 1758) (unaccepted > junior subjective synonym)
          450. Species Trochus striolatus Quoy & Gaimard, 1834 accepted as Austrocochlea concamerata (W. Wood, 1828) (junior subjective synonym)
          451. Species Trochus suarezensis P. Fischer, 1878 accepted as Jujubinus suarezensis (P. Fischer, 1878) (original combination)
          452. Species Trochus suavis R. A. Philippi, 1850 accepted as Pictodiloma suavis (R. A. Philippi, 1850) (unaccepted > superseded combination)
          453. Species Trochus subcarinatus (Swainson, 1855) accepted as Astele subcarinata Swainson, 1855
          454. Species Trochus sugillatus Reeve, 1861 accepted as Trochus radiatus Gmelin, 1791 (junior synonym)
          455. Species Trochus sulcatus Martyn, 1784 accepted as Cookia sulcata ([Lightfoot], 1786) (Martyn, 1784 is a work rejected for nomenclatorial purposes (see ICZN opinions 456 and 479))
          456. Species Trochus sulcatus [Lightfoot], 1786 accepted as Cookia sulcata ([Lightfoot], 1786) (superseded combination)
          457. Species Trochus sulcatus W. Wood, 1828 accepted as Diloma bicanaliculatum (Dunker, 1845) (junior subjective synonym)
          458. Species Trochus suturalis R. A. Philippi, 1836 accepted as Callumbonella suturalis (R. A. Philippi, 1836) (unaccepted > superseded combination)
          459. Species Trochus tabidus Reeve, 1861 accepted as Tectus pyramis (Born, 1778)
          460. Species Trochus tabularis Krauss, 1848 accepted as Oxystele tabularis (Krauss, 1848) (unaccepted > superseded combination)
          461. Species Trochus taeniatus Quoy & Gaimard, 1834 accepted as Austrocochlea porcata (A. Adams, 1853) (invalid: junior homonym of Trochus taeniatus W. Wood, 1828)
          462. Species Trochus tampaensis Conrad, 1846 accepted as Calliostoma tampaense (Conrad, 1846) (original combination)
          463. Species Trochus tamsii Dunker, 1845 accepted as Phorcus atratus (W. Wood, 1828) (synonym)
          464. Species Trochus tamsii R. A. Philippi, 1852 accepted as Arene tamsii (R. A. Philippi, 1852) (unaccepted > superseded combination)
          465. Species Trochus tantillus A. Gould, 1849 accepted as Peasiella tantilla (A. Gould, 1849) (original combination)
          466. Species Trochus tectum Gmelin, 1791 accepted as Indomodulus tectum (Gmelin, 1791) (original combination)
          467. Species Trochus tectumchinense Noodt, 1819 accepted as Pomaulax gibberosus (Dillwyn, 1817)
          468. Species Trochus tectus [Lightfoot], 1786 accepted as Lithopoma tectum ([Lightfoot], 1786)
          469. Species Trochus telescopium Linnaeus, 1758 accepted as Telescopium telescopium (Linnaeus, 1758) (original combination)
          470. Species Trochus tenebricus Reeve, 1861 accepted as Trochus sandwichiensis Souleyet, 1852 (junior synonym)
          471. Species Trochus tentoriiformis Jonas, 1845 accepted as Astralium tentoriiforme (Jonas, 1845) (original combination)
          472. Species Trochus tenuis Montagu, 1803 accepted as Calliostoma granulatum (Born, 1778) (synonym)
          473. Species Trochus tessulatus Born, 1778 accepted as Phorcus turbinatus (Born, 1778) (synonym)
          474. Species Trochus tetragonostoma H. K. Jordan, 1895 accepted as Callumbonella suturalis (R. A. Philippi, 1836) (synonym)
          475. Species Trochus textilis Reeve, 1861 accepted as Trochus nigropunctatus Reeve, 1861
          476. Species Trochus texturatus A. Gould, 1849 accepted as Cantharidus purpureus (Gmelin, 1791) (junior subjective synonym)
          477. Species Trochus therensis Forbes, 1844 accepted as Osilinus therensis (Forbes, 1844) (unaccepted > nomen nudum)
          478. Species Trochus tiara R. B. Watson, 1879 accepted as Calliotropis tiara (R. B. Watson, 1879) (unaccepted > superseded combination)
          479. Species Trochus tiaratus Quoy & Gaimard, 1834 accepted as Coelotrochus tiaratus (Quoy & Gaimard, 1834) (superseded combination)
          480. Species Trochus tiberianus Crosse, 1863 accepted as Cratidentium tiberianum (Crosse, 1863) (original combination)
          481. Species Trochus tigris Gmelin, 1791 accepted as Maurea tigris (Gmelin, 1791) (superseded combination)
          482. Species Trochus tornatus Röding, 1798 accepted as Calliostoma tornatum (Röding, 1798)
          483. Species Trochus torosus Kiener, 1850 accepted as Cantharidus purpureus (Gmelin, 1791) (junior subjective synonym)
          484. Species Trochus torquatus Anton, 1848 accepted as Maurea pellucida (Valenciennes, 1846) (unaccepted > junior subjective synonym)
          485. Species Trochus torulosus R. A. Philippi, 1843 accepted as Agathistoma quadricostatum (W. Wood, 1828) (unaccepted > junior subjective synonym)
          486. Species Trochus tranquebaricus Röding, 1798 accepted as Calliostoma tranquebaricum (Röding, 1798)
          487. Species Trochus tricatenatus Reeve, 1861 accepted as Trochus sandwichiensis Souleyet, 1852 (junior synonym)
          488. Species Trochus tricolor Risso, 1826 accepted as Jujubinus exasperatus (Pennant, 1777) (synonym)
          489. Species Trochus tridens R. A. Philippi, 1844 accepted as Agathistoma tridentatum (Potiez & Michaud, 1838) (unaccepted > junior subjective synonym)
          490. Species Trochus triserialis Lamarck, 1822 accepted as Tectus triserialis (Lamarck, 1822) (original combination)
          491. Species Trochus trisulcatus Forsskål, 1775 accepted as Terebralia palustris (Linnaeus, 1767)
          492. Species Trochus triumphans R. A. Philippi, 1841 accepted as Guildfordia triumphans (R. A. Philippi, 1841) (unaccepted > superseded combination)
          493. Species Trochus trochlea Röding, 1798 (unaccepted > nomen nudum)
          494. Species Trochus trochlea W. Wood, 1828 accepted as Austrocochlea constricta (Lamarck, 1822) (unaccepted > junior subjective synonym)
          495. Species Trochus tuber Linnaeus, 1758 accepted as Lithopoma tuber (Linnaeus, 1758) (unaccepted > superseded combination)
          496. Species Trochus tuberculatus da Costa, 1778 accepted as Gibbula magus (Linnaeus, 1758) (synonym)
          497. Species Trochus tuberculatus da Costa, 1778 sensu Risso, 1826 accepted as Gibbula fanulum (Gmelin, 1791) (unaccepted > misapplication)
          498. Species Trochus tuberosus R. A. Philippi, 1843 accepted as Lithopoma tectum ([Lightfoot], 1786) (unaccepted > junior subjective synonym)
          499. Species Trochus tubifer [sic] accepted as Trochus tubiferus Kiener, 1850 (misspelling)
          500. Species Trochus tumidulus Nardo, 1847 accepted as Jujubinus montagui (W. Wood, 1828) (synonym)
          501. Species Trochus tumidulus Aradas, 1846 accepted as Jujubinus tumidulus (Aradas, 1846)
          502. Species Trochus tumidus Montagu, 1803 accepted as Gibbula tumida (Montagu, 1803)
          503. Species Trochus turbiformis Salis Marschlins, 1793 accepted as Phorcus articulatus (Lamarck, 1822)
          504. Species Trochus turbinatus Born, 1778 accepted as Phorcus turbinatus (Born, 1778) (original combination)
            1. Variety Trochus turbinatus var. elongata Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus turbinatus (Born, 1778) (synonym)
            2. Variety Trochus turbinatus var. globosa Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus turbinatus (Born, 1778) (unaccepted > junior subjective synonym)
            3. Variety Trochus turbinatus var. major Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Phorcus turbinatus (Born, 1778) (synonym)
          505. Species Trochus turbinoides Deshayes, 1835 accepted as Gibbula turbinoides (Deshayes, 1835)
            1. Variety Trochus turbinoides var. albida Dautzenberg, 1883 accepted as Gibbula turbinoides (Deshayes, 1835) (synonym)
            2. Variety Trochus turbinoides var. atra Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula turbinoides (Deshayes, 1835) (synonym)
            3. Variety Trochus turbinoides var. cincta Dautzenberg, 1883 accepted as Gibbula turbinoides (Deshayes, 1835) (synonym)
            4. Variety Trochus turbinoides var. rosea Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula turbinoides (Deshayes, 1835) (synonym)
            5. Variety Trochus turbinoides var. rubra Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula turbinoides (Deshayes, 1835) (synonym)
            6. Variety Trochus turbinoides var. unicolor Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula turbinoides (Deshayes, 1835) (synonym)
            7. Variety Trochus turbinoides var. virescens Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula turbinoides (Deshayes, 1835) (synonym)
          506. Species Trochus turris R. A. Philippi, 1846 accepted as Trochus altus R. A. Philippi, 1851 (unaccepted > junior homonym, junior primary homonym of Trochus turris Pusch, 1837; Trochus altus Philippi, 1851 is a replacement name)
          507. Species Trochus umbilicalis da Costa, 1778 accepted as Gibbula umbilicalis (da Costa, 1778)
          508. Species Trochus umbilicaris Linnaeus, 1758 accepted as Gibbula umbilicaris (Linnaeus, 1758)
            1. Variety Trochus umbilicaris var. concolor Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula umbilicaris (Linnaeus, 1758) (synonym)
            2. Variety Trochus umbilicaris var. doriae Tapparone Canefri, 1869 accepted as Gibbula umbilicaris (Linnaeus, 1758) (synonym)
            3. Variety Trochus umbilicaris var. olivacea Tapparone Canefri, 1869 accepted as Steromphala umbilicaris (Linnaeus, 1758) (unaccepted > junior subjective synonym)
            4. Variety Trochus umbilicaris var. soluta Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula umbilicaris (Linnaeus, 1758) (synonym)
            5. Variety Trochus umbilicaris var. tessellata Tapparone Canefri, 1869 accepted as Gibbula umbilicaris (Linnaeus, 1758) (synonym)
            6. Variety Trochus umbilicaris var. undulata Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula umbilicaris (Linnaeus, 1758) (synonym)
          509. Species Trochus umbilicatus Montagu, 1803 accepted as Gibbula umbilicalis (da Costa, 1778) (synonym)
            1. Variety Trochus umbilicatus var. atropurpurea Jeffreys, 1865 accepted as Gibbula umbilicalis (da Costa, 1778) (synonym)
            2. Variety Trochus umbilicatus var. decorata Jeffreys, 1865 accepted as Gibbula umbilicalis (da Costa, 1778) (synonym)
            3. Variety Trochus umbilicatus var. laeta R. T. Lowe, 1861 accepted as Gibbula pennanti (R. A. Philippi, 1851) (synonym)
          510. Species Trochus undosus W. Wood, 1828 accepted as Megastraea undosa (W. Wood, 1828) (original combination)
          511. Species Trochus undulatus Risso, 1826 accepted as Gibbula fanulum (Gmelin, 1791) (synonym)
          512. Species Trochus undulatus (G. B. Sowerby I, 1838) accepted as Margarites groenlandicus (Gmelin, 1791) (unaccepted > junior subjective synonym)
          513. Species Trochus unguis W. Wood, 1828 accepted as Uvanilla unguis (W. Wood, 1828) (original combination)
          514. Species Trochus unicus Dunker, 1860 accepted as Tristichotrochus unicus (Dunker, 1860) (unaccepted > superseded combination)
          515. Species Trochus unidens A. d'Orbigny, 1842 accepted as Modulus modulus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
          516. Species Trochus unidentatus R. A. Philippi, 1844 accepted as Jujubinus unidentatus (R. A. Philippi, 1844) (unaccepted > superseded combination)
          517. Species Trochus vahlii (Möller, 1842) accepted as Margarites vahlii (Møller, 1842) (unaccepted > superseded combination)
          518. Species Trochus vaillanti P. Fischer, 1882 accepted as Calliotropis vaillanti (P. Fischer, 1882) (original combination)
          519. Species Trochus vancouverensis E. A. Smith, 1880 accepted as Solariella vancouverensis (E. A. Smith, 1880) (original combination)
          520. Species Trochus varians O. G. Costa, 1830 accepted as Gibbula divaricata (Linnaeus, 1758)
          521. Species Trochus varians Deshayes, 1835 accepted as Gibbula adriatica (R. A. Philippi, 1844) (synonym)
          522. Species Trochus variegatus Gmelin, 1791 accepted as Heliacus (Heliacus) variegatus (Gmelin, 1791)
          523. Species Trochus variegatus Anton, 1838 accepted as Oxystele antoni D. G. Herbert, 2015 (invalid: junior homonym of Trochus variegatus Gmelin, 1791; Oxystele antoni is a replacement name)
          524. Species Trochus varius Linnaeus, 1758 accepted as Steromphala J. E. Gray, 1847 (unaccepted > superseded combination)
            1. Variety Trochus varius var. marmorata Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Gibbula varia (Linnaeus, 1758) (synonym)
          525. Species Trochus venosus Megerle von Mühlfeld, 1816 accepted as Jujubinus unidentatus (R. A. Philippi, 1844) (synonym)
          526. Species Trochus verruca A. Gould, 1845 accepted as Homalopoma verruca (A. Gould, 1845) (unaccepted > superseded combination)
          527. Species Trochus verrucosus Gmelin, 1791 accepted as Trochus maculatus Linnaeus, 1758
          528. Species Trochus versicolor Menke, 1851 accepted as Calliostoma eximium (Reeve, 1843) (unaccepted > junior subjective synonym)
          529. Species Trochus vestiarius Linnaeus, 1758 accepted as Umbonium vestiarium (Linnaeus, 1758)
          530. Species Trochus vieillioti (Payraudeau, 1826) accepted as Clanculus cruciatus (Linnaeus, 1758)
            1. Variety Trochus vieillioti var. globosoconica Aradas & Benoit, 1874 accepted as Clanculus cruciatus (Linnaeus, 1758) (synonym)
          531. Species Trochus villicus R. A. Philippi, 1844 accepted as Gibbula philberti (Récluz, 1843) (unaccepted > junior subjective synonym)
          532. Species Trochus vinctus R. A. Philippi, 1843 accepted as Calliostoma bicingulatum (Lamarck, 1822) (unaccepted > junior subjective synonym)
          533. Species Trochus violaceus Risso, 1826 accepted as Calliostoma conulum [sic] (synonym)
            1. Variety Trochus violaceus var. laevigata Sandri & Danilo, 1856 accepted as Calliostoma laugieri (Payraudeau, 1826) (synonym)
            2. Variety Trochus violaceus var. lineata Sandri & Danilo, 1856 accepted as Calliostoma laugieri (Payraudeau, 1826) (synonym)
            3. Variety Trochus violaceus var. torquata Sandri & Danilo, 1856 accepted as Calliostoma laugieri (Payraudeau, 1826) (synonym)
          534. Species Trochus virgatus Gmelin, 1791 accepted as Rochia virgata (Gmelin, 1791)
          marine
          Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. [The system of nature through the three kingdoms of nature, according to classes, orders, genera, species, with characters, differences, synonyms, places.]. <em>Impensis Direct. Laurentii Salvii. Holmiae [Stockholm].</em> 1(10) [iii], 824 p., available online at https://biodiversitylibrary.org/page/726886 [details] Available for editors  PDF available [request]
          MolluscaBase eds. (2025). MolluscaBase. Trochus Linnaeus, 1758. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=138598 on 2025-07-17
          Date
          action
          by
          2004-12-21 15:54:05Z
          created
          Gofas, Serge
          2009-02-02 11:06:43Z
          changed
          Gofas, Serge
          2009-08-29 19:12:46Z
          changed
          Vanden Berghe, Edward
          2010-09-02 16:14:39Z
          checked
          Bouchet, Philippe
          2015-04-02 15:38:06Z
          changed
          Gofas, Serge

          Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


          Nomenclature

          original description Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. [The system of nature through the three kingdoms of nature, according to classes, orders, genera, species, with characters, differences, synonyms, places.]. <em>Impensis Direct. Laurentii Salvii. Holmiae [Stockholm].</em> 1(10) [iii], 824 p., available online at https://biodiversitylibrary.org/page/726886 [details] Available for editors  PDF available [request]

          original description (of Polydonta Schumacher, 1817) Schumacher, C. F. (1817). Essai d'un nouveau système des habitations des vers testacés. <em>Schultz, Copenghagen.</em> iv + 288 pp., 22 pls., available online at http://www.biodiversitylibrary.org/item/81329
          page(s): 69, 231 [details] 

          original description (of Lamprostoma Swainson, 1840) Swainson, W. (1840). A treatise on malacology; or the natural classification of shells and shell-fish. Longman, London, viii + 419 pp., available online at http://www.biodiversitylibrary.org/item/33450 [details] 

          original description (of Trochus (Infundibulops) Pilsbry, 1889) Pilsbry, H. A. (1889-1890). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 1. Vol. 11: Trochidae, Stomatiidae, Pleurotomariidae, Haliotidae. pp 1-519, pls 1-67. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-64, pls. 1-14, Apr. 17, 1889; pp. 65-128, pls. 15-32, Jul. 5, 1889; pp. 129-208, pls. 33-50, Sept. 30, 1889; pp. 44a, 209-519, pls. 51-67, Mar. 7, 1890]. , available online at http://www.biodiversitylibrary.org/item/77915
          page(s): 8, 40 [details] 

          original description (of Trochus (Camelotrochus) B. A. Marshall, 1998) Marshall, B. A. (1998). A review of the Recent Trochini of New Zealand (Mollusca: Gastropoda: Trochidae). <em>Molluscan Research.</em> 19 (1): 73-106., available online at https://doi.org/10.1080/13235818.1998.10673710
          page(s): 81. [details] 

          original description (of Camelotrochus B. A. Marshall, 1998) Marshall, B. A. (1998). A review of the Recent Trochini of New Zealand (Mollusca: Gastropoda: Trochidae). <em>Molluscan Research.</em> 19 (1): 73-106., available online at https://doi.org/10.1080/13235818.1998.10673710
          page(s): 81 [details] 

          original description (of Trochus (Praecia) J. E. Gray, 1857) Gray, J. E. (1857). <i>Guide to the systematic distribution of Mollusca in the British Museum</i>. Part I. [Gastropoda]. British Museum, London, xii + 230 pp. [9 May; Preface dated 10 Dec. 1856]. , available online at http://www.biodiversitylibrary.org/item/117528
          page(s): 148. [details] 

          original description (of Praecia J. E. Gray, 1857) Gray, J. E. (1857). <i>Guide to the systematic distribution of Mollusca in the British Museum</i>. Part I. [Gastropoda]. British Museum, London, xii + 230 pp. [9 May; Preface dated 10 Dec. 1856]. , available online at http://www.biodiversitylibrary.org/item/117528
          page(s): 148. [details] 

          		 
           Present  Inaccurate  Introduced: alien  Containing type locality 
          Unreviewed
          Habitat Known from seamounts and knolls [details]
              Definitions

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