• Achaiohydrobia corrosa (Glöer & Hirschfelder, 2020)
• Achaiohydrobia moreana Hofman & Grego, 2021 accepted as Achaiohydrobia corrosa (Glöer & Hirschfelder, 2020)
• Adeorbis exquisitus Jeffreys, 1883 accepted as Tjaernoeia exquisita (Jeffreys, 1883)
• Adeorbis fragilis G. O. Sars, 1878 accepted as Rugulina fragilis (G. O. Sars, 1878)
• Adeorbis imperspicuus Chaster, 1895 accepted as Tjaernoeia exquisita (Jeffreys, 1883)
• Adeorbis imperspicuus Monterosato, 1875 accepted as Tjaernoeia exquisita (Jeffreys, 1883)
• Adeorbis imperspicuus var. elegantula Chaster, 1895 accepted as Tjaernoeia exquisita (Jeffreys, 1883)
• Adeorbis seguenzai [sic] accepted as Adeorbis seguenzianus Tryon, 1888 accepted as Megalomphalus depressus (G. Seguenza, 1876)
• Adeorbis seguenzianus Tryon, 1888 accepted as Megalomphalus depressus (G. Seguenza, 1876)
• Adeorbis supranitidus S. V. Wood, 1848 accepted as Circulus supranitidus (S. V. Wood, 1848)
• Adeorbis tricarinatus S. V. Wood, 1848 † accepted as Circulus striatus (R. A. Philippi, 1836)
• Adeorbis umbilicatus Locard, 1898 accepted as Xyloskenea naticiformis (Jeffreys, 1883)
• Adeorbis unisulcatus Chaster, 1897 accepted as Tjaernoeia unisulcata (Chaster, 1897)
• Albertisia punica Issel, 1880 accepted as Truncatella subcylindrica (Linnaeus, 1767)
• Assemania ostiorum Bavay, 1920 accepted as Assiminea grayana J. Fleming, 1828
• Assemania rufostrigata Hesse, 1916 accepted as Pontiturboella rufostrigata (Hesse, 1916)
• Assiminea (Assiminea) grayana J. Fleming, 1828 represented as Assiminea grayana J. Fleming, 1828
• Assiminea (Assiminea) ostiorum Bavay, 1920 represented as Assiminea ostiorum Bavay, 1920 accepted as Assiminea grayana J. Fleming, 1828
• Assiminea avilai van Aartsen, 2008
• Assiminea eliae Paladilhe, 1875 (uncertain > taxon inquirendum)
• Assiminea gittenbergeri van Aartsen, 2008
• Assiminea glaubrechti van Aartsen, 2008
• Assiminea grayana J. Fleming, 1828
• Assiminea littorina (Delle Chiaje, 1828) sensu R. A. Philippi, 1841 accepted as Paludinella globularis (Hanley, 1844)
• Assiminea littorina var. sicana Brugnone, 1876 accepted as Paludinella sicana (Brugnone, 1876)
• Assiminea moroccoensis Rolán, 2013
• Assiminea ostiorum Bavay, 1920 accepted as Assiminea grayana J. Fleming, 1828
• Assiminea recta Mousson, 1873 accepted as Peringia ulvae (Pennant, 1777)
• Assiminea rolani van Aartsen, 2008
• Brochina chiereghiniana Brusina, 1869 accepted as Caecum auriculatum de Folin, 1868
• Brochina decurtata Monterosato, 1884 accepted as Caecum auriculatum de Folin, 1868
• Brochina glabra (Montagu, 1803) accepted as Caecum glabrum (Montagu, 1803)
• Brochina glabra var. gallica de Folin, 1872 accepted as Caecum glabrum (Montagu, 1803)
• Brochina incompta Monterosato, 1884 accepted as Caecum armoricum de Folin, 1869
• Brochus striatus T. Brown, 1827 accepted as Caecum trachea (Montagu, 1803)
• Brochus trachiformis T. Brown, 1827 accepted as Caecum trachea (Montagu, 1803)
• Caecum armoricum de Folin, 1869
• Caecum atlantidis R. B. Watson, 1897
• Caecum auriculatum de Folin, 1868
• Caecum clarkii P. P. Carpenter, 1859
• Caecum cuspidatum Chaster, 1896
• Caecum elegans Perejaslavtseva, 1891 accepted as Caecum trachea (Montagu, 1803)
• Caecum elegantissimum P. P. Carpenter, 1859
• Caecum elegantissimum var. searleswoodii P. P. Carpenter, 1859 accepted as Caecum searleswoodii P. P. Carpenter, 1859
• Caecum engli Nofroni, Pizzini & Oliverio, 1997
• Caecum eunoi Nofroni, Pizzini & Oliverio, 1997
• Caecum fasciatum de Folin, 1876 accepted as Caecum trachea (Montagu, 1803)
• Caecum fasciatum var. intaminata de Folin, 1876 accepted as Caecum trachea (Montagu, 1803)
• Caecum glabrum (Montagu, 1803)
• Caecum gofasi Pizzini & Nofroni, 2001
• Caecum imperforatum Kanmacher, 1798 (uncertain > nomen dubium)
• Caecum lightfootae Pizzini, Nofroni & Oliverio, 1994 accepted as Caecum atlantidis R. B. Watson, 1897
• Caecum orientale de Folin, 1868 accepted as Caecum clarkii P. P. Carpenter, 1859
• Caecum pollicare P. P. Carpenter, 1859
• Caecum saavedrae V. Beltrán, 1965 accepted as Caecum auriculatum de Folin, 1868
• Caecum sardinianum de Folin, 1870 accepted as Caecum clarkii P. P. Carpenter, 1859
• Caecum searleswoodii P. P. Carpenter, 1859
• Caecum semitrachea Monterosato, 1884 accepted as Caecum trachea (Montagu, 1803)
• Caecum sepimentum de Folin, 1868
• Caecum subannulatum de Folin, 1870
• Caecum swinneni Nofroni, Pizzini & Oliverio, 1997
• Caecum syriacum de Folin, 1869 accepted as Caecum auriculatum de Folin, 1868
• Caecum tenue Milaschewitsch, 1912 accepted as Caecum armoricum de Folin, 1869
• Caecum trachea (Montagu, 1803)
• Caecum trachea var. obsoleta P. P. Carpenter, 1859 accepted as Caecum trachea (Montagu, 1803)
• Caecum vitreum P. P. Carpenter, 1859
• Caecum vitreum var. clarkii P. P. Carpenter, 1859 accepted as Caecum clarkii P. P. Carpenter, 1859
• Caecum vitreum var. subornata de Folin, 1869 accepted as Caecum vitreum P. P. Carpenter, 1859
• Caecum wayae Pizzini & Nofroni, 2001
• Ceratia altimirai F. Nordsieck, 1982 accepted as Ceratia proxima (Forbes & Hanley, 1850)
• Ceratia proxima (Forbes & Hanley, 1850)
• Ceratia watsoni Hornung & Mermod, 1927 accepted as Monotygma watsoni (Hornung & Mermod, 1927)
• Circulus aemilii Rubio & Gofas, 2024
• Circulus carinulatus Locard, 1889 accepted as Circulus striatus (R. A. Philippi, 1836)
• Circulus costulatus Locard, 1889 accepted as Circulus striatus (R. A. Philippi, 1836)
• Circulus formosissimus Brugnone, 1873 accepted as Skeneoides formosissima (Brugnone, 1873)
• Circulus jeffreysii Monterosato, 1872 accepted as Skeneoides formosissima (Brugnone, 1873)
• Circulus novemcarinatus (Melvill, 1906)
• Circulus octoliratus (P. P. Carpenter, 1856)
• Circulus sarsi (K. J. Bush, 1897) accepted as Orbitestella sarsi (K. J. Bush, 1897)
• Circulus striatus (R. A. Philippi, 1836)
• Circulus striatus bicarinatus Altimira, 1977 accepted as Circulus striatus (R. A. Philippi, 1836)
• Circulus supranitidus (S. V. Wood, 1848)
• Circulus translucens (Dall, 1927) accepted as Xyloskenea translucens (Dall, 1927)
• Circulus tricarinatus (S. V. Wood, 1848) accepted as Circulus striatus (R. A. Philippi, 1836)
• Cyclostremiscus dariae Liuzzi & Zucchi Stolfa, 1979 accepted as Orbitestella dariae (Liuzzi & Zucchi Stolfa, 1979)
• Discopsis costulata de Folin, 1870
• Discopsis costulatus de Folin, 1870 accepted as Discopsis costulata de Folin, 1870
• Ecrobia atuca (Boeters, 1988)
• Ecrobia grimmi (Clessin, 1887)
• Ecrobia maritima (Milaschewitsch, 1916)
• Ecrobia pontieuxini (Radoman, 1973) accepted as Ecrobia maritima (Milaschewitsch, 1916)
• Ecrobia spalatiana (Radoman, 1973)
• Ecrobia truncata (Vanatta, 1924)
• Ecrobia ventrosa (Montagu, 1803)
• Ecrobia vitrea (Risso, 1826)
• Elachisina azoreana Rolán & Gofas, 2003
• Elachisina canarica (F. Nordsieck & García-Talavera, 1979)
• Elachisina globuloides (Warén, 1972)
• Elachisina versiliensis Warén, Carrozza & Rocchini, 1990 accepted as Laeviphitus verduini van Aartsen, Bogi & Fr. Giusti, 1989