MarBEF Data System


WoRMS taxon details

Cyclops Müller O.F., 1785

Monoculus quadricornis
Monoculus quadricornis

149782  (urn:lsid:marinespecies.org:taxname:149782)

  1. Biota
  2. Animalia (Kingdom)
  3. Arthropoda (Phylum)
  4. Crustacea (Subphylum)
  5. Multicrustacea (Superclass)
  6. Copepoda (Class)
  7. Neocopepoda (Infraclass)
  8. Podoplea (Superorder)
  9. Cyclopoida (Order)
  10. Cyclopida (Suborder)
  11. Cyclopidae (Family)
  12. Cyclops (Genus)
accepted
Genus
Nauplius Müller O.F., 1785 · unaccepted (synonym)

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  1. Subgenus Cyclops (Apocyclops) Lindberg, 1942
    1. Species Cyclops (Apocyclops) spartinus Ruber, 1968 represented as Apocyclops spartinus Ruber, 1968
  2. Species Cyclops africanus Bourne, 1893
  3. Species Cyclops alpestris Daday, 1885
  4. Species Cyclops anophthalmus Joseph, 1882
  5. Species Cyclops argulus (Fabricius, 1793)
  6. Species Cyclops aurantius Fischer, 1860
  7. Species Cyclops australis Sars G.O., 1896
  8. Species Cyclops baicalensis Vasileeva, 1950
  9. Species Cyclops bopsini Studer, 1878
  10. Species Cyclops bracteatus (Müller O.F., 1776)
  11. Species Cyclops brasiliensis Dana, 1848
  12. Species Cyclops brevicornis Claus, 1857
  13. Species Cyclops brevipes Brady, 1910
  14. Species Cyclops brevisetosous Daday, 1885
  15. Species Cyclops cavernarum Ulrich, 1902
  16. Species Cyclops clandestinus Kiefer, 1926
  17. Species Cyclops coecus Pratz, 1866
  18. Species Cyclops columbianus Lindberg, 1956
  19. Species Cyclops croaticus Krmpotic, 1924
  20. Species Cyclops curticaudus Dana, 1848
  21. Species Cyclops curticornis Müller O.F., 1785
  22. Species Cyclops davidi Chappuis, 1922
  23. Species Cyclops delphinus (Müller O.F., 1785)
  24. Species Cyclops divergens Lindberg, 1936
  25. Species Cyclops dulvertonensis Smith G.W., 1909
  26. Species Cyclops eboracensis Brady, 1902
  27. Species Cyclops ecornis Tilesius, 1819
  28. Species Cyclops franciscoloi Brian, 1951
  29. Species Cyclops furi Kozhova & Pavlov, 1986
  30. Species Cyclops gibbus (Philippi, 1843)
  31. Species Cyclops glacialis Brady, 1910
  32. Species Cyclops gnatho (Philippi, 1843)
  33. Species Cyclops heberti Einsle, 1996
  34. Species Cyclops hutchinsoni Kiefer, 1936
  35. Species Cyclops insignis Claus, 1857
  36. Species Cyclops intermedius Sovinsky, 1888
  37. Species Cyclops isodactylus (Philippi, 1843)
  38. Species Cyclops jashnovi Streletskaya, 1990
  39. Species Cyclops juri Streletskaya, 1990
  40. Species Cyclops kikuchii Smirnov, 1932
  41. Species Cyclops kozminskii Lindberg, 1942
  42. Species Cyclops krillei Studer, 1878
  43. Species Cyclops ladakanus Kiefer, 1936
  44. Species Cyclops landei Kozminski, 1933
  45. Species Cyclops longispina Templeton, 1836
  46. Species Cyclops longistylis Brady, 1907
  47. Species Cyclops macleayi Dana, 1848
  48. Species Cyclops matritensis Garcia, 1942
  49. Species Cyclops miles Nicolet, 1849
  50. Species Cyclops mongoliensis Einsle, 1992
  51. Species Cyclops naviculus Say, 1818
  52. Species Cyclops neglectus Sars G.O., 1909
  53. Species Cyclops neymanae Streletskaya, 1990
  54. Species Cyclops nigeriae Brady, 1910
  55. Species Cyclops nivalis Daday, 1885
  56. Species Cyclops novaezealandiae Thomson G.M., 1879
  57. Species Cyclops ochridanus Kiefer, 1932
  58. Species Cyclops ovalis Brady, 1872
  59. Species Cyclops papuanus Daday, 1901
  60. Species Cyclops phaleroides Labbé, 1927
  61. Species Cyclops plumosus (Philippi, 1843)
  62. Species Cyclops poggenpolii Sovinsky, 1887
  63. Species Cyclops potamius Burckhardt, 1913
  64. Species Cyclops pubescens Dana, 1848
  65. Species Cyclops purpureus (Philippi, 1843)
  66. Species Cyclops pusillus Brady, 1904
  67. Species Cyclops quinquepartitus Marsh, 1913
  68. Species Cyclops ricae Monchenko, 1977
  69. Species Cyclops rostratus (Philippi, 1843)
  70. Species Cyclops roumaniae Cosmovici, 1900
  71. Species Cyclops salmoneus (Fabricius J.C., 1793)
  72. Species Cyclops saltatonius (Müller O.F., 1776)
  73. Species Cyclops sanguineus (Philippi, 1843)
  74. Species Cyclops sarsi Uljanin, 1875
  75. Species Cyclops scandinavicus Lindberg, 1957
  76. Species Cyclops serrulatoides Labbé, 1927
  77. Species Cyclops shatalovi Streletskaya, 1990
  78. Species Cyclops sibiricus Lindberg, 1950
  79. Species Cyclops silesicus Schäfer, 1934
  80. Species Cyclops similis Templeton, 1836
  81. Species Cyclops simillimus Brady, 1907
  82. Species Cyclops smirnovi Rylov, 1948
  83. Species Cyclops soli Kokubo, 1912
  84. Species Cyclops stagnalis Einsle, 1996
  85. Species Cyclops staphylinus Desmarest, 1825
  86. Species Cyclops sylvestrii Brian, 1927
  87. Species Cyclops tenuipes (Philippi, 1843)
  88. Species Cyclops tenuissimus Herrick, 1883
  89. Species Cyclops teres Wilson C.B., 1924
  90. Species Cyclops transilvanicus Daday, 1885
  91. Species Cyclops trisetosus Herbst, 1957
  92. Species Cyclops vinceus Schmankevich, 1875
  93. Species Cyclops vitiensis Dana, 1848
  94. Species Cyclops wigrensis Kozminski, 1927
  95. Subgenus Cyclops (Acanthocyclops) Kiefer, 1927 accepted as Acanthocyclops Kiefer, 1927
    1. Species Cyclops (Acanthocyclops) pilosus Kiefer, 1934 accepted as Acanthocyclops venustoides (Coker, 1934) represented as Acanthocyclops venustoides venustoides (Coker, 1934)
    2. Species Cyclops (Acanthocyclops) stammeri Kiefer, 1930 accepted as Acanthocyclops venustus stammeri (Kiefer, 1930) accepted as Acanthocyclops stammeri Kiefer, 1930 accepted as Acanthocyclops venustus (Norman & Scott T., 1906) represented as Acanthocyclops venustus venustus (Norman & Scott T., 1906)
    3. Species Cyclops (Acanthocyclops) troglophilus Kiefer, 1932 represented as Acanthocyclops venustus troglophilus Kiefer, 1932 represented as Acanthocyclops troglophilus (Kiefer, 1932)
  96. Subgenus Cyclops (Diacyclops) Kiefer, 1927 accepted as Diacyclops Kiefer, 1927
    1. Species Cyclops (Diacyclops) franciscoloi Brian, 1951
    2. Species Cyclops (Diacyclops) hypogeus Kiefer, 1930
    3. Species Cyclops (Diacyclops) languidoides Lilljeborg, 1901
    4. Species Cyclops (Diacyclops) nearcticus Kiefer, 1934
    5. Species Cyclops (Diacyclops) crassicaudis (Sars G.O., 1863) accepted as Diacyclops crassicaudis (Sars G.O., 1863) represented as Diacyclops crassicaudis crassicaudis (Sars G.O., 1863)
    6. Species Cyclops (Diacyclops) jurenei Parveen, Mahoon & Saleem, 1988 (unaccepted > nomen nudum)
    7. Species Cyclops (Diacyclops) minutissimus Kiefer, 1933 accepted as Allocyclops minutissimus (Kiefer, 1933)
    8. Species Cyclops (Diacyclops) charon Kiefer, 1931 represented as Diacyclops charon (Kiefer, 1931)
    9. Species Cyclops (Diacyclops) gauthieri Green, 1962 represented as Diacyclops gauthieri Green, 1962
    10. Species Cyclops (Diacyclops) haueri Kiefer, 1931 represented as Diacyclops haueri (Kiefer, 1931)
    11. Species Cyclops (Diacyclops) karamani Kiefer, 1932 represented as Diacyclops karamani Kiefer, 1932
    12. Species Cyclops (Diacyclops) skopljensis Kiefer, 1932 represented as Diacyclops skopljensis Kiefer, 1932
    13. Species Cyclops (Diacyclops) uruguayensis Kiefer, 1935 represented as Diacyclops uruguayensis (Kiefer, 1935)
  97. Subgenus Cyclops (Homocyclops) Forbes, 1897 accepted as Homocyclops Forbes, 1897
  98. Subgenus Cyclops (Megacyclops) Kiefer, 1927 accepted as Megacyclops Kiefer, 1927
    1. Species Cyclops (Megacyclops) formosanus Harada, 1931 accepted as Megacyclops formosanus (Harada, 1931)
    2. Species Cyclops (Megacyclops) viridis Jurine, 1820 represented as Megacyclops viridis (Jurine, 1820) represented as Megacyclops viridis viridis (Jurine, 1820)
  99. Subgenus Cyclops (Microcyclops) Claus, 1893 accepted as Microcyclops Claus, 1893
    1. Species Cyclops (Microcyclops) richardi
    2. Species Cyclops (Microcyclops) sanfilippoi Brian, 1951
    3. Species Cyclops (Microcyclops) varicans Sars G.O., 1863
    4. Species Cyclops (Microcyclops) bicolor Sars, 1863 accepted as Cryptocyclops bicolor (Sars G.O., 1863) (unaccepted > superseded combination)
    5. Species Cyclops (Microcyclops) diversus Kiefer, 1935 accepted as Microcyclops diversus (Kiefer, 1935) accepted as Microcyclops ceibaensis (Marsh, 1919) represented as Microcyclops (Microcyclops) ceibaensis (Marsh, 1919)
    6. Species Cyclops (Microcyclops) javanus Kiefer, 1930 accepted as Cryptocyclops javanus (Kiefer, 1930)
    7. Species Cyclops (Microcyclops) kentanensis Harada, 1931 accepted as Microcyclops kentanensis (Harada, 1931) accepted as Cryptocyclops kentanensis (Harada, 1931)
    8. Species Cyclops (Microcyclops) subtropicus Lindberg, 1937 accepted as Cyclops (Microcyclops) davidi subtropicus Lindberg, 1939 represented as Microcyclops (Microcyclops) davidi subtropicus (Lindberg, 1939)
    9. Species Cyclops (Microcyclops) alius Kiefer, 1935 represented as Microcyclops alius (Kiefer, 1935) accepted as Microcyclops dubitabilis (Kiefer, 1934) represented as Microcyclops (Microcyclops) dubitabilis (Kiefer, 1934)
    10. Species Cyclops (Microcyclops) davidi (Chappuis, 1922) represented as Cyclops (Microcyclops) davidi davidi Chappuis, 1922 accepted as Eucyclops davidi (Chappuis, 1922) accepted as Microcyclops davidi (Chappuis, 1922) represented as Microcyclops (Microcyclops) davidi (Chappuis, 1922) represented as Microcyclops (Microcyclops) davidi davidi (Chappuis, 1922)
    11. Species Cyclops (Microcyclops) diminutus Lindberg, 1937 represented as Microcyclops diminutus (Lindberg, 1937) represented as Microcyclops (Microcyclops) diminutus (Lindberg, 1937)
    12. Species Cyclops (Microcyclops) elgonensis Kiefer, 1932 represented as Microcyclops elgonensis (Kiefer, 1932) represented as Microcyclops (Microcyclops) elgonensis Kiefer, 1932
    13. Species Cyclops (Microcyclops) feuerborni Kiefer, 1933 represented as Microcyclops feuerborni Kiefer, 1933 represented as Microcyclops (Microcyclops) feuerborni Kiefer, 1933
    14. Species Cyclops (Microcyclops) karvei Kiefer & Moorthy, 1935 represented as Microcyclops (Microcyclops) karvei Kiefer & Moorthy, 1935
    15. Species Cyclops (Microcyclops) moghulensis Lindberg, 1939 represented as Microcyclops moghulensis (Lindberg, 1939) represented as Microcyclops (Microcyclops) moghulensis (Lindberg, 1939)
    16. Species Cyclops (Microcyclops) tricolor Lindberg, 1937 represented as Microcyclops tricolor (Lindberg, 1937) accepted as Cryptocyclops tricolor (Lindberg, 1937)
  100. Subgenus Cyclops (Orthocyclops) Forbes, 1897 accepted as Orthocyclops Forbes, 1897
  101. Species Cyclops abyssicola Lilljeborg, 1901 accepted as Diacyclops abyssicola (Lilljeborg, 1901)
  102. Species Cyclops acanthoides Douwe, 1914 accepted as Eucyclops acanthoides (Douwe, 1914) represented as Eucyclops (Eucyclops) acanthoides (Douwe, 1914)
  103. Species Cyclops adolescens Herrick, 1882 accepted as Cyclops phaleratus Koch, 1838 accepted as Ectocyclops phaleratus (Koch, 1838)
  104. Species Cyclops aequoreus Fischer, 1860 accepted as Halicyclops aequoreus aequoreus (Fischer, 1860)
  105. Species Cyclops affinis Sars G.O., 1863 accepted as Paracyclops affinis (Sars G.O., 1863)
  106. Species Cyclops agilis Koch, 1838 accepted as Eucyclops agilis (Koch, 1838) accepted as Eucyclops agilis agilis (Koch, 1838)
  107. Species Cyclops agiloides Sars G.O., 1909 accepted as Eucyclops agiloides (Sars G.O., 1909) represented as Eucyclops (Eucyclops) agiloides (Sars G.O., 1909) represented as Eucyclops (Eucyclops) agiloides agiloides (Sars G.O., 1909)
  108. Species Cyclops alajensis Uljanin, 1875 accepted as Cyclops macrurus Sars G.O., 1863 accepted as Eucyclops macrurus (Sars G.O., 1863) represented as Eucyclops macrurus macrurus (Sars G.O., 1863) represented as Eucyclops (Macrurocyclops) macrurus (Sars G.O., 1863)
  109. Species Cyclops albicans Smith G.W., 1909 accepted as Mesocyclops albicans (Smith G.W., 1909)
  110. Species Cyclops albidus (Jurine, 1820) accepted as Macrocyclops albidus (Jurine, 1820) represented as Macrocyclops albidus albidus (Jurine, 1820)
  111. Species Cyclops alius Kiefer, 1935 accepted as Cyclops (Microcyclops) alius Kiefer, 1935 represented as Microcyclops alius (Kiefer, 1935) accepted as Microcyclops dubitabilis (Kiefer, 1934) represented as Microcyclops (Microcyclops) dubitabilis (Kiefer, 1934)
  112. Species Cyclops alticola Kiefer, 1935 accepted as Diacyclops alticola (Kiefer, 1935)
  113. Species Cyclops americanus Marsh, 1893 accepted as Acanthocyclops americanus (Marsh, 1893) represented as Acanthocyclops americanus americanus (Marsh, 1893)
  114. Species Cyclops amoenus Mann, 1940 accepted as Metacyclops amoenus (Mann, 1940)
  115. Species Cyclops anceps Richard, 1897 accepted as Microcyclops anceps (Richard, 1897) represented as Microcyclops (Microcyclops) anceps anceps (Richard, 1897)
  116. Species Cyclops angustus Sars G.O., 1909 accepted as Eucyclops angustus (Sars G.O., 1909) represented as Eucyclops (Macrurocyclops) angustus (G.O. Sars, 1909)
  117. Species Cyclops ankyrae Mann, 1940 accepted as Cyclops furcifer Claus, 1857 represented as Cyclops furcifer furcifer Claus, 1857
  118. Species Cyclops anninae Menzel, 1926 accepted as Bryocyclops anninae (Menzel, 1926)
  119. Species Cyclops annulatus Wierzejski, 1892 accepted as Mesocyclops annulatus (Wierzejski, 1892) represented as Mesocyclops annulatus annulatus (Wierzejski, 1892)
  120. Species Cyclops annulicornis Koch, 1838 accepted as Cyclops albidus (Jurine, 1820) accepted as Macrocyclops albidus (Jurine, 1820) represented as Macrocyclops albidus albidus (Jurine, 1820) (Lilljeborg 1901 synonomized this, but Herrick 1895 syn. it as C. signets)
  121. Species Cyclops armatus Tilesius, 1815 accepted as Harpacticus chelifer (Müller O.F., 1776)
  122. Species Cyclops arnaudi Sars G.O., 1908 accepted as Metacyclops arnaudi (Sars G.O., 1908) accepted as Pescecyclops arnaudi (Sars G.O., 1908)
  123. Species Cyclops aspericornis Daday, 1906 accepted as Mesocyclops aspericornis (Daday, 1906)
  124. Species Cyclops ater Herrick, 1882 accepted as Homocyclops ater (Herrick, 1882)
  125. Species Cyclops attenuatus Sars G.O., 1909 accepted as Cryptocyclops attenuatus (Sars G.O., 1909)
  126. Species Cyclops australis King, 1855 (unaccepted > nomen nudum, King's work contains no diagnosis nor any description)
  127. Species Cyclops bathybius Daday, 1896 accepted as Cyclops fimbriatus Fischer, 1853 accepted as Paracyclops fimbriatus (Fischer, 1853) represented as Paracyclops fimbriatus fimbriatus (Fischer, 1853)
  128. Species Cyclops bicuspidatus Claus, 1857 accepted as Diacyclops bicuspidatus (Claus, 1857) represented as Diacyclops bicuspidatus bicuspidatus (Claus, 1857)
  129. Species Cyclops bisetosus Rehberg, 1880 accepted as Acanthocyclops bisetosus (Rehberg, 1880) accepted as Diacyclops bisetosus (Rehberg, 1880)
  130. Species Cyclops bissextilis Willey, 1925 accepted as Diacyclops crassicaudis (Sars G.O., 1863) represented as Diacyclops crassicaudis crassicaudis (Sars G.O., 1863)
  131. Species Cyclops bistriatus Koch, 1838 accepted as Pachycyclops bistriatus (Koch, 1838) accepted as Macrocyclops bistriatus (Koch, 1838)
  132. Species Cyclops bodamicus Vosseler, 1886 accepted as Cyclops strenuus Fischer, 1851 represented as Cyclops strenuus strenuus Fischer, 1851
  133. Species Cyclops bodanus Kiefer, 1954 accepted as Cyclops abyssorum bodanus Kiefer, 1954
  134. Species Cyclops bogoriensis Menzel, 1926 accepted as Bryocyclops bogoriensis (Menzel, 1926)
  135. Species Cyclops bohemicus Srámek-Husek, 1937 accepted as Cyclops abyssorum larianus Stella, 1934
  136. Species Cyclops brachypus (Kiefer, 1955) accepted as Megacyclops brachypus Kiefer, 1955
  137. Species Cyclops brehmi (Kiefer, 1927) accepted as Thermocyclops brehmi Kiefer, 1927
  138. Species Cyclops brevicaudatus Claus, 1857 accepted as Cyclops strenuus Fischer, 1851 represented as Cyclops strenuus strenuus Fischer, 1851
  139. Species Cyclops brevicornis Müller O.F., 1776 accepted as Tigriopus brevicornis (Müller O.F., 1776) (generic transfer)
  140. Species Cyclops brevicornis Baird, 1834 (unaccepted > interim unpublished, Baird 1835 only mentions Cyclops brevicornis on page 97)
  141. Species Cyclops brevisetosus Sovinsky, 1887 accepted as Cyclops bicolor Sars G.O., 1863 represented as Cyclops (Microcyclops) bicolor Sars, 1863 accepted as Cryptocyclops bicolor (Sars G.O., 1863) (unaccepted > unavailable name)
  142. Species Cyclops brevispinosus Herrick, 1884 accepted as Acanthocyclops brevispinosus (Herrick, 1884)
  143. Species Cyclops brucei Scott T., 1899 accepted as Diacyclops crassicaudis (Sars G.O., 1863) represented as Diacyclops crassicaudis crassicaudis (Sars G.O., 1863)
  144. Species Cyclops buxtoni Gurney, 1921 accepted as Apocyclops dengizicus (Lepeshkin, 1900) represented as Apocyclops dengizicus dengizicus (Lepeshkin, 1900)
  145. Species Cyclops cabanensis Russki, 1889 (unaccepted > interim unpublished, not published description of figures)
  146. Species Cyclops canadensis Einsle, 1988 accepted as Cyclops sibiricus Lindberg, 1950 (unaccepted > junior subjective synonym, synonymization)
  147. Species Cyclops canthocarpoides Fischer, 1851 accepted as Ectocyclops phaleratus (Koch, 1838)
  148. Species Cyclops capillatus Sars G.O., 1863 accepted as Acanthocyclops capillatus (Sars G.O., 1863)
  149. Species Cyclops capilliferus Forbes S.A., 1893 accepted as Cyclops modestus Herrick, 1883 accepted as Orthocyclops modestus (Herrick, 1883)
  150. Species Cyclops carolinianus Yeatman, 1944 accepted as Acanthocyclops carolinianus (Yeatman, 1944)
  151. Species Cyclops castor Desmarest, 1825 accepted as Diaptomus castor (Jurine, 1820)
  152. Species Cyclops caudatus (Sars G.O., 1927) accepted as Microcyclops caudatus (Sars G.O., 1927) accepted as Cryptocyclops caudatus Sars G.O., 1927
  153. Species Cyclops ceibaensis Marsh, 1919 accepted as Microcyclops ceibaensis (Marsh, 1919) represented as Microcyclops (Microcyclops) ceibaensis (Marsh, 1919)
  154. Species Cyclops cerberus Chappuis, 1934 accepted as Diacyclops cerberus (Chappuis, 1934) accepted as Speocyclops cerberus (Chappuis, 1934)
  155. Species Cyclops chelifer Müller O.F., 1776 accepted as Harpacticus chelifer (Müller O.F., 1776)
  156. Species Cyclops chiltoni Thomson G.M., 1883 accepted as Paracyclops chiltoni (Thomson G.M., 1883)
  157. Species Cyclops christianensis Boeck, 1873 accepted as Halicyclops magniceps (Lilljeborg, 1853) (synonym according to Sars, 1913)
  158. Species Cyclops ciliatus Sars G.O., 1909 accepted as Eucyclops ciliatus (Sars G.O., 1909) represented as Eucyclops (Ciliocyclops) ciliatus (Sars G.O., 1909)
  159. Species Cyclops clandestinus Yeatman, 1964 accepted as Diacyclops yeatmani Reid, 1988
  160. Species Cyclops claudiopolitanus Daday, 1882 accepted as Cyclops strenuus Fischer, 1851 represented as Cyclops strenuus strenuus Fischer, 1851
  161. Species Cyclops clausii Poggenpol, 1874 accepted as Cyclops tenuicornis Claus, 1857 represented as Cyclops tenuicornis tenuicornis Claus, 1857 accepted as Macrocyclops signatus (Koch, 1838)
  162. Species Cyclops clausii Heller, 1871 accepted as Cyclops teres Wilson C.B., 1924
  163. Species Cyclops clausii Lubbock, 1864 accepted as Cyclops strenuus Fischer, 1851 represented as Cyclops strenuus strenuus Fischer, 1851
  164. Species Cyclops claviger Müller O.F., 1785 accepted as Diaptomus claviger (Müller O.F., 1785)
  165. Species Cyclops coeruleus Müller O.F., 1785 accepted as Eudiaptomus vulgaris (Schmeil, 1896) represented as Eudiaptomus vulgaris vulgaris (Schmeil, 1896) ((inadequately described but possible synonym - via D.coeruleus))
  166. Species Cyclops colchidanus Borutzky, 1930 accepted as Speocyclops colchidanus (Borutzky, 1930)
  167. Species Cyclops compactus Sars G.O., 1909 accepted as Ectocyclops compactus (Sars G.O., 1909)
  168. Species Cyclops confinis Kiefer, 1930 accepted as Eucyclops confinis Kiefer, 1930 accepted as Tropocyclops confinis (Kiefer, 1930) represented as Tropocyclops confinis confinis (Kiefer, 1930)
  169. Species Cyclops coronatus Claus, 1857 accepted as Eucyclops coronatus (Claus, 1857) accepted as Macrocyclops coronatus (Claus, 1857) accepted as Cyclops signatus Koch, 1838 accepted as Pachycyclops signatus (Koch, 1838) accepted as Macrocyclops signatus (Koch, 1838)
  170. Species Cyclops crassicaudis Sars G.O., 1863 accepted as Cyclops (Diacyclops) crassicaudis (Sars G.O., 1863) accepted as Diacyclops crassicaudis (Sars G.O., 1863) represented as Diacyclops crassicaudis crassicaudis (Sars G.O., 1863)
  171. Species Cyclops crassicaudoides Kiefer, 1928 accepted as Diacyclops crassicaudoides (Kiefer, 1928)
  172. Species Cyclops crassicornis Müller O.F., 1785 accepted as Cyclops fimbriatus Fischer, 1853 accepted as Paracyclops fimbriatus (Fischer, 1853) represented as Paracyclops fimbriatus fimbriatus (Fischer, 1853)
  173. Species Cyclops crassus Fischer, 1853 accepted as Mesocyclops crassus (Fischer, 1853) accepted as Thermocyclops crassus (Fischer, 1853) accepted as Thermocyclops crassus crassus (Fischer, 1853)
  174. Species Cyclops crinitus Graeter, 1908 accepted as Acanthocyclops crinitus (Graeter, 1908)
  175. Species Cyclops cunningtoni Sars G.O., 1909 accepted as Microcyclops cunningtoni (Sars G.O., 1909)
  176. Species Cyclops cyprinaceus (Shaw, 1789) (unaccepted > nomen nudum)
  177. Species Cyclops delachauxi Kiefer, 1925 accepted as Eucyclops delachauxi (Kiefer, 1925) represented as Eucyclops (Subterrocyclops) delachauxi (Kiefer, 1925) accepted as Eucyclops (Eucyclops) delachauxi (Kiefer, 1925)
  178. Species Cyclops demetiensis Scourfield, 1932 accepted as Speocyclops demetiensis (Scourfield, 1932) represented as Speocyclops demetiensis demetiensis (Scourfield, 1932)
  179. Species Cyclops dengizicus Lepeshkin, 1900 accepted as Apocyclops dengizicus (Lepeshkin, 1900) represented as Apocyclops dengizicus dengizicus (Lepeshkin, 1900)
  180. Species Cyclops dentatimanus Marsh, 1913 accepted as Microcyclops anceps (Richard, 1897) represented as Microcyclops (Microcyclops) anceps anceps (Richard, 1897)
  181. Species Cyclops dentatus Rehberg, 1880 (unaccepted > nomen nudum)
  182. Species Cyclops depressus Baird, 1837 accepted as Alteutha depressa (Baird, 1837)
  183. Species Cyclops diaphanus Fischer, 1853 accepted as Microcyclops diaphanus (Fischer, 1853)
  184. Species Cyclops dimorphus Kiefer, 1934 accepted as Apocyclops dimorphus (Kiefer, 1934)
  185. Species Cyclops distans (Kiefer, 1956) accepted as Apocyclops distans (Kiefer, 1956)
  186. Species Cyclops distinctus Richard, 1887 accepted as Macrocyclops distinctus (Richard, 1887)
  187. Species Cyclops diversus Kiefer, 1935 accepted as Cyclops (Microcyclops) diversus Kiefer, 1935 accepted as Microcyclops diversus (Kiefer, 1935) accepted as Microcyclops ceibaensis (Marsh, 1919) represented as Microcyclops (Microcyclops) ceibaensis (Marsh, 1919)
  188. Species Cyclops divulsus Lindberg, 1956 accepted as Cyclops strenuus divulsus Lindberg, 1956
  189. Species Cyclops donnaldsoni Chappuis, 1929 accepted as Megacyclops donnaldsoni (Chappuis, 1929) represented as Megacyclops donnaldsoni donnaldsoni (Chappuis, 1929)
  190. Species Cyclops dubitabilis Kiefer, 1934 accepted as Microcyclops dubitabilis (Kiefer, 1934) represented as Microcyclops (Microcyclops) dubitabilis (Kiefer, 1934)
  191. Species Cyclops dubius Sars G.O., 1909 (unaccepted)
  192. Species Cyclops dumasti Joly, 1883 (unaccepted)
  193. Species Cyclops dybowskii Landé, 1890 (unaccepted)
  194. Species Cyclops echinatus Kiefer, 1926 (unaccepted)
  195. Species Cyclops edax Forbes S.A., 1891 (unaccepted)
  196. Species Cyclops elegans Herrick, 1884 (unaccepted)
  197. Species Cyclops elongatus Claus, 1863 (unaccepted)
  198. Species Cyclops emini Mrázek, 1898 (unaccepted)
  199. Species Cyclops entzii Daday, 1882 (unaccepted)
  200. Species Cyclops euacanthus Sars G.O., 1909 (unaccepted)
  201. Species Cyclops exiguus Sars G.O., 1909 (unaccepted)
  202. Species Cyclops exilis Coker, 1934 (unaccepted)
  203. Species Cyclops exsulis Gauthier, 1951 (unaccepted)
  204. Species Cyclops falsus Kiefer, 1926 (unaccepted)
  205. Species Cyclops fasciacornis Cragin, 1883 (unaccepted)
  206. Species Cyclops fedtschenkoi Uljanin, 1875 (unaccepted)
  207. Species Cyclops fimbriatus Fischer, 1853 (unaccepted)
  208. Species Cyclops finitimus Kiefer, 1928 (unaccepted)
  209. Species Cyclops finmarchicus Müller O.F., 1776 (unaccepted)
  210. Species Cyclops fischeri Poggenpol, 1874 (unaccepted)
  211. Species Cyclops flexipes Kokubo, 1912 (unaccepted)
  212. Species Cyclops fluviatilis Herrick, 1882 (unaccepted)
  213. Species Cyclops forbesi Herrick, 1895 (unaccepted)
  214. Species Cyclops formosanus Harada, 1931 (unaccepted)
  215. Species Cyclops fragilis Kiefer, 1926 (unaccepted)
  216. Species Cyclops frivaldszkyi Daday, 1885 (unaccepted)
  217. Species Cyclops furcatus Baird, 1837 (unaccepted)
  218. Species Cyclops fuscus (Jurine, 1820) (unaccepted)
  219. Species Cyclops gemellus (Gurney, 1928) (unaccepted)
  220. Species Cyclops geoffroyi Samouelle, 1819 (unaccepted)
  221. Species Cyclops gibsoni Brady, 1904 (unaccepted)
  222. Species Cyclops gigas Claus, 1857 (unaccepted)
  223. Species Cyclops gracilicornis Landé, 1891 (unaccepted)
  224. Species Cyclops gracilis Lilljeborg, 1853 (unaccepted)
  225. Species Cyclops graeteri Chappuis, 1927 (unaccepted)
  226. Species Cyclops grandispinifer Lindberg, 1940 (unaccepted)
  227. Species Cyclops gredleri Heller, 1871 (unaccepted)
  228. Species Cyclops gyrinus Forbes S.A., 1890 (unaccepted)
  229. Species Cyclops hadjebensis Kiefer, 1926 (unaccepted)
  230. Species Cyclops halepensis Chappuis, 1922 (unaccepted)
  231. Species Cyclops hamatus Sovinsky, 1887 (unaccepted)
  232. Species Cyclops harpacticoides Schmankevich, 1875 (unaccepted)
  233. Species Cyclops helgolandicus Rehberg, 1880 (unaccepted)
  234. Species Cyclops horvathii Daday, 1885 (unaccepted)
  235. Species Cyclops hungaricus Daday, 1882 (unaccepted)
  236. Species Cyclops hyalinus Rehberg, 1880 (unaccepted)
  237. Species Cyclops hypogeus Kiefer, 1930 (unaccepted)
  238. Species Cyclops ignaeus Poggenpol, 1874 (unaccepted)
  239. Species Cyclops igneus Poggenpol, 1874 (unaccepted > misspelling - incorrect subsequent spelling)
  240. Species Cyclops incertus Wolf, 1905 (unaccepted)
  241. Species Cyclops indolusitanicus Lindberg, 1938 (unaccepted)
  242. Species Cyclops inermis Tilesius, 1815 (unaccepted)
  243. Species Cyclops infernus Kiefer, 1930 (unaccepted)
  244. Species Cyclops infrequens Kiefer, 1929 (unaccepted)
  245. Species Cyclops ingens Herrick, 1882 (unaccepted)
  246. Species Cyclops inopinatus (Sars G.O., 1927) (unaccepted)
  247. Species Cyclops inopinus Kiefer, 1926 (unaccepted)
  248. Species Cyclops insectus Forbes S.A., 1882 (unaccepted)
  249. Species Cyclops jeanneli Chappuis, 1929 (unaccepted)
  250. Species Cyclops johnstoni Baird, 1834 (unaccepted)
  251. Species Cyclops josephi Moniez, 1887 (unaccepted)
  252. Species Cyclops jurenei Parveen, Mahoon & Saleem, 1988 (unaccepted > nomen nudum, not adult it was a copepodite CIV stage)
  253. Species Cyclops karvei Kiefer & Moorthy, 1935 (unaccepted)
  254. Species Cyclops kentanensis Harada, 1931 (unaccepted)
  255. Species Cyclops kieferi Chappuis, 1925 (unaccepted)
  256. Species Cyclops kieferi Schäfer, 1933 (unaccepted)
  257. Species Cyclops kieviensis Sovinsky, 1887 (unaccepted)
  258. Species Cyclops korostyschewi Sovinsky, 1887 (unaccepted)
  259. Species Cyclops lacinulatus Müller O.F., 1776 (unaccepted)
  260. Species Cyclops lacunae Lowndes, 1926 (unaccepted)
  261. Species Cyclops lacustris Sars G.O., 1863 (unaccepted)
  262. Species Cyclops laevimargo Sars G.O., 1909 (unaccepted)
  263. Species Cyclops landei Mahoon & Zia, 1985 (unaccepted > nomen nudum, not adult it was a copepodite CIV stage)
  264. Species Cyclops languidoides Lilljeborg, 1901 (unaccepted)
  265. Species Cyclops languidulus Willey, 1925 (unaccepted)
  266. Species Cyclops languidus Sars G.O., 1863 (unaccepted)
  267. Species Cyclops lascivus Poggenpol, 1874 (unaccepted)
  268. Species Cyclops latipes Lowndes, 1927 (unaccepted)
  269. Species Cyclops latissimus Poggenpol, 1874 (unaccepted)
  270. Species Cyclops laurenticus Lindberg, 1956 (unaccepted > nomen nudum, there is no Wilson 3x5 card and Dussart & Defaye 2006 do not report this species.)
  271. Species Cyclops leewenhoekii Hoek, 1876 (unaccepted)
  272. Species Cyclops leptopus Kiefer, 1927 (unaccepted)
  273. Species Cyclops leuckarti Claus, 1857 (unaccepted)
  274. Species Cyclops lilljeborgi (Sars G.O., 1914) (unaccepted)
  275. Species Cyclops linjanticus Kiefer, 1928 (unaccepted)
  276. Species Cyclops littoralis Brady, 1872 (unaccepted)
  277. Species Cyclops lobulosus Ekman, 1905 (unaccepted)
  278. Species Cyclops longicaudatus Poggenpol, 1874 (unaccepted)
  279. Species Cyclops longicornis Müller O.F., 1785 (unaccepted)
  280. Species Cyclops longicornis Nicolet, 1849 (unaccepted > unavailable name, preoccupied name Cyclops longicornis Müller O.F., 1785)
  281. Species Cyclops longisetus Thiébaud, 1912 (unaccepted)
  282. Species Cyclops lubbocki Brady, 1869 (unaccepted)
  283. Species Cyclops lucidulus Koch, 1838 (unaccepted)
  284. Species Cyclops maarensis Vosseler, 1889 (unaccepted)
  285. Species Cyclops macruroides Lilljeborg, 1901 (unaccepted)
  286. Species Cyclops macrurus Sars G.O., 1863 (unaccepted)
  287. Species Cyclops macuroides Lilljeborg, 1901 (unaccepted, miss spelling of species name)
  288. Species Cyclops madagascariensis Kiefer, 1926 (unaccepted)
  289. Species Cyclops magniceps Lilljeborg, 1853 (unaccepted)
  290. Species Cyclops magnoctavus Cragin, 1883 (unaccepted)
  291. Species Cyclops magnus Marsh, 1920 (unaccepted)
  292. Species Cyclops malayicus Kiefer, 1930 (unaccepted)
  293. Species Cyclops margaretae Lindberg, 1940 (unaccepted)
  294. Species Cyclops margoi Daday, 1885 (unaccepted)
  295. Species Cyclops marinus Prestandrea, 1833 (unaccepted)
  296. Species Cyclops mendocinus Wierzejski, 1892 (unaccepted)
  297. Species Cyclops menzeli Kiefer, 1926 (unaccepted)
  298. Species Cyclops meridianus Kiefer, 1926 (unaccepted)
  299. Species Cyclops michaelseni Mrázek, 1901 (unaccepted)
  300. Species Cyclops miniatus Lilljeborg, 1901 (unaccepted)
  301. Species Cyclops minimus Kiefer, 1930 (unaccepted)
  302. Species Cyclops minnilus Forbes S.A., 1893 (unaccepted)
  303. Species Cyclops minuticornis Müller O.F., 1785 (unaccepted)
  304. Species Cyclops minutissimus Kiefer, 1933 (unaccepted)
  305. Species Cyclops minutus Claus, 1863 (unaccepted)
  306. Species Cyclops minutus Müller O.F., 1776 (unaccepted)
  307. Species Cyclops modestus Herrick, 1883 (unaccepted)
  308. Species Cyclops monacanthus Kiefer, 1928 (unaccepted)
  309. Species Cyclops monardi Perret, 1924 (unaccepted)
  310. Species Cyclops muelleri Férussac, 1806 (unaccepted)
  311. Species Cyclops muscicola Menzel, 1926 (unaccepted)
  312. Species Cyclops muscicola Lastochkin, 1924 (unaccepted)
  313. Species Cyclops nanus Sars G.O., 1863 (unaccepted)
  314. Species Cyclops navus Herrick, 1882 (unaccepted)
  315. Species Cyclops nearcticus Kiefer, 1934 (unaccepted)
  316. Species Cyclops necessarius Kiefer, 1926 (unaccepted)
  317. Species Cyclops neumani Pesta, 1927 (unaccepted)
  318. Species Cyclops niceae Mann, 1940 (unaccepted)
  319. Species Cyclops nigricauda Norman, 1869 (unaccepted, synonym according to Sars, 1913)
  320. Species Cyclops nubicus Chappuis, 1922 (unaccepted)
  321. Species Cyclops obesicornis Templeton, 1836 (unaccepted, the male is C. signatus)
  322. Species Cyclops obsoletus Koch, 1838 (unaccepted)
  323. Species Cyclops obtusicanda Rafinesque, 1814 (unaccepted > nomen nudum, no record or reference of ths species name can be found by Rafinesque)
  324. Species Cyclops odessanus Schmankevitsch, 1875 (unaccepted)
  325. Species Cyclops oligarthrus Sars G.O., 1909 (unaccepted)
  326. Species Cyclops operculatus Chappuis, 1917 (unaccepted)
  327. Species Cyclops orientalis Uljanin, 1875 (unaccepted)
  328. Species Cyclops pachycomus Sars G.O., 1909 (unaccepted)
  329. Species Cyclops pallidus Norman, 1869 (unaccepted)
  330. Species Cyclops pallidus Breinl, 1911 (unaccepted > nomen nudum, no figures and only a short 1 paragraph general description of each sex, no types deposited. And preoccupied name Cyclops pallidus Norman 1868)
  331. Species Cyclops paludicola Herbst, 1959 (unaccepted)
  332. Species Cyclops palustris Sovinsky, 1887 (unaccepted)
  333. Species Cyclops pamirensis Gurvich, 1958 (unaccepted)
  334. Species Cyclops panamensis Marsh, 1913 (unaccepted)
  335. Species Cyclops paradyi Daday, 1885 (unaccepted)
  336. Species Cyclops paraplesius Kiefer, 1929 (unaccepted)
  337. Species Cyclops parcus Herrick, 1882 (unaccepted)
  338. Species Cyclops pauper Fric, 1873 (unaccepted)
  339. Species Cyclops pectinatus Daday, 1885 (unaccepted)
  340. Species Cyclops pectinifer Cragin, 1883 (unaccepted)
  341. Species Cyclops pelagicus (Rose, 1929) (unaccepted > nomen nudum)
  342. Species Cyclops pennatus Claus, 1857 (unaccepted)
  343. Species Cyclops pentagonus Vosseler, 1886 (unaccepted)
  344. Species Cyclops perarmatus Cragin, 1883 (unaccepted)
  345. Species Cyclops phaleratus Koch, 1838 (unaccepted)
  346. Species Cyclops philippinensis Marsh, 1932 (unaccepted)
  347. Species Cyclops phreaticus Chappuis, 1928 (unaccepted)
  348. Species Cyclops pictus Koch, 1838 (unaccepted)
  349. Species Cyclops piscinus (Linnaeus, 1761) (unaccepted)
  350. Species Cyclops planus Gurney, 1909 (unaccepted)
  351. Species Cyclops poppei Rehberg, 1880 (unaccepted)
  352. Species Cyclops prasinus Fischer, 1860 (unaccepted)
  353. Species Cyclops prealpinus Kiefer, 1939 (unaccepted > misspelling - incorrect subsequent spelling)
  354. Species Cyclops procerus Herbst, 1955 (unaccepted)
  355. Species Cyclops prolatus Kiefer, 1935 (unaccepted)
  356. Species Cyclops puffini Thompson I.C., 1888 (unaccepted)
  357. Species Cyclops puteanus Frey, 1869 (unaccepted > interim unpublished)
  358. Species Cyclops pygmaeus Rehberg, 1880 (unaccepted)
  359. Species Cyclops quadricornis Lilljeborg, 1853 (unaccepted)
  360. Species Cyclops racovitzai Chappuis, 1923 (unaccepted)
  361. Species Cyclops rarispinus Sars G.O., 1909 (unaccepted)
  362. Species Cyclops reductus Chappuis, 1925 (unaccepted)
  363. Species Cyclops restrictus Lindberg, 1948 (unaccepted > junior subjective synonym)
  364. Species Cyclops robustus Sars G.O., 1863 (unaccepted)
  365. Species Cyclops roseus Daday, 1885 (unaccepted)
  366. Species Cyclops royi Lindberg, 1940 (unaccepted)
  367. Species Cyclops rubellus Lilljeborg, 1901 (unaccepted)
  368. Species Cyclops salinus Brady, 1900 (unaccepted)
  369. Species Cyclops sanfilippoi Brian, 1951 (unaccepted)
  370. Species Cyclops schmeili Poppe & Mrázek, 1895 (unaccepted)
  371. Species Cyclops scourfieldi Brady, 1892 (unaccepted)
  372. Species Cyclops sensitivus Graeter & Chappuis, 1914 (unaccepted)
  373. Species Cyclops serratus Forbes S.A., 1882 (unaccepted, name preoccupied by Pratz, 1866 changed to C. forbesi)
  374. Species Cyclops serratus Rafinesque, 1814 (unaccepted > nomen nudum, the authorship is not serratus, no mention of this species was found in Rafinesque, 1814)
  375. Species Cyclops serrulatus Fischer, 1851 (unaccepted)
  376. Species Cyclops setiger Frey, 1869 (unaccepted > interim unpublished)
  377. Species Cyclops setosus Haldeman, 1842 (unaccepted)
  378. Species Cyclops sevani Meshkova, 1947 (unaccepted)
  379. Species Cyclops signatus Koch, 1838 (unaccepted)
  380. Species Cyclops silvestrii Brian, 1927 (unaccepted)
  381. Species Cyclops simplex Poggenpol, 1874 (unaccepted)
  382. Species Cyclops singularis Einsle, 1996 (unaccepted)
  383. Species Cyclops spartinus Ruber, 1968 (unaccepted)
  384. Species Cyclops speratus Lilljeborg, 1901 (unaccepted)
  385. Species Cyclops spinifer Daday, 1905 (unaccepted)
  386. Species Cyclops spinulosus Claus, 1893 (unaccepted)
  387. Species Cyclops staheli Chappuis, 1917 (unaccepted)
  388. Species Cyclops stammeri Kiefer, 1930 (unaccepted)
  389. Species Cyclops stroemii Baird, 1837 (unaccepted, Reallocated into Canthocamptus by Baird (1845: 154))
  390. Species Cyclops stuhlmanni Mrázek, 1898 (unaccepted)
  391. Species Cyclops stygius Chappuis, 1924 (unaccepted)
  392. Species Cyclops subaequalis Kiefer, 1928 (unaccepted)
  393. Species Cyclops subterraneus Pratz, 1866 (unaccepted)
  394. Species Cyclops sumatranus Kiefer, 1933 (unaccepted)
  395. Species Cyclops sydneyensis Schmeil, 1898 (unaccepted)
  396. Species Cyclops taipehensis Harada, 1931 (unaccepted)
  397. Species Cyclops tatricus Kozminski, 1927 (unaccepted)
  398. Species Cyclops tenellus Sars G.O., 1909 (unaccepted)
  399. Species Cyclops tenuicaudis Daday, 1885 (unaccepted)
  400. Species Cyclops tenuis Marsh, 1910 (unaccepted)
  401. Species Cyclops tenuisaccus Sars G.O., 1927 (unaccepted)
  402. Species Cyclops teras Graeter, 1907 (unaccepted)
  403. Species Cyclops thomasi Forbes S.A., 1882 (unaccepted)
  404. Species Cyclops tricolor Lindberg, 1937 (unaccepted)
  405. Species Cyclops triumvirorum Kiefer, 1935 (unaccepted)
  406. Species Cyclops troglodytes Chappuis, 1923 (unaccepted)
  407. Species Cyclops trouchanowi Sovinsky, 1887 (unaccepted)
  408. Species Cyclops uljanini Sovinsky, 1887 (unaccepted)
  409. Species Cyclops uniangulatus Cragin, 1883 (unaccepted)
  410. Species Cyclops vandouwii Brehm, 1909 (unaccepted)
  411. Species Cyclops varicans Sars G.O., 1863 (unaccepted)
  412. Species Cyclops varicoides Brady, 1907 (unaccepted)
  413. Species Cyclops venustus Norman & Scott T., 1906 (unaccepted)
  414. Species Cyclops vermifer Lindberg, 1935 (unaccepted)
  415. Species Cyclops vincentianus Brian, 1927 (unaccepted)
  416. Species Cyclops virescens Brady, 1910 (unaccepted)
  417. Species Cyclops viridosignatus Byrnes E.F., 1909 (unaccepted)
  418. Species Cyclops zschokkei Graeter, 1910 (unaccepted)
  419. Subgenus Cyclops (Metacyclops) Kiefer, 1927 (alternative representation)
    1. Species Cyclops (Metacyclops) dengizicus Lepeshkin, 1900
    2. Species Cyclops (Metacyclops) gracilis Lilljeborg, 1853
    3. Species Cyclops (Metacyclops) prolatus Kiefer, 1935 accepted as Metacyclops minutus prolatus Kiefer, 1935 represented as Metacyclops prolatus Kiefer, 1935
    4. Species Cyclops (Metacyclops) royi Lindberg, 1940) accepted as Apocyclops royi (Lindberg, 1940)
    5. Species Cyclops (Metacyclops) viduus Kiefer, 1933 accepted as Apocyclops viduus (Kiefer, 1933) accepted as Apocyclops panamensis (Marsh, 1913)
    6. Species Cyclops (Metacyclops) communis Lindberg, 1938 represented as Metacyclops communis Lindberg, 1938
    7. Species Cyclops (Metacyclops) grandis Kiefer, 1935 represented as Metacyclops grandis Kiefer, 1935
    8. Species Cyclops (Metacyclops) grandispinifer Lindberg, 1940 represented as Metacyclops grandispinifer Lindberg, 1940
    9. Species Cyclops (Metacyclops) malayicus Kiefer, 1930 represented as Metacyclops malayicus Kiefer, 1930
    10. Species Cyclops (Metacyclops) micropus Kiefer, 1932 represented as Metacyclops micropus Kiefer, 1932
    11. Species Cyclops (Metacyclops) minutus Claus, 1863 represented as Metacyclops minutus (Claus, 1863) represented as Metacyclops minutus minutus (Claus, 1863)
    12. Species Cyclops (Metacyclops) planus Gurney, 1909 represented as Metacyclops planus (Gurney, 1909)
    13. Species Cyclops (Metacyclops) topicus Kiefer, 1932 represented as Metacyclops tropicus Kiefer, 1932
  420. Species Cyclops abnobensis Brehm, 1958 represented as Cyclops abnobensis abnobensis Brehm, 1958
  421. Species Cyclops abyssorum Sars G.O., 1863 represented as Cyclops abyssorum abyssorum Sars G.O., 1863
  422. Species Cyclops bicolor Sars G.O., 1863 represented as Cyclops (Microcyclops) bicolor Sars, 1863 accepted as Cryptocyclops bicolor (Sars G.O., 1863)
  423. Species Cyclops bohater Kozminski, 1933 represented as Cyclops bohater bohater Kozminski, 1933
  424. Species Cyclops caspicus Lindberg, 1942 represented as Cyclops furcifer caspicus Lindberg, 1942
  425. Species Cyclops charon Kiefer, 1931 represented as Cyclops (Diacyclops) charon Kiefer, 1931 represented as Diacyclops charon (Kiefer, 1931)
  426. Species Cyclops communis Lindberg, 1938 represented as Metacyclops communis Lindberg, 1938
  427. Species Cyclops decipiens Kiefer, 1929 represented as Mesocyclops (Thermocyclops) decipiens Kiefer, 1929 represented as Thermocyclops decipiens (Kiefer, 1929)
  428. Species Cyclops diminutus Lindberg, 1937 represented as Cyclops (Microcyclops) diminutus Lindberg, 1937 represented as Microcyclops diminutus (Lindberg, 1937) represented as Microcyclops (Microcyclops) diminutus (Lindberg, 1937)
  429. Species Cyclops elgonensis Kiefer, 1932 represented as Cyclops (Microcyclops) elgonensis Kiefer, 1932 represented as Microcyclops elgonensis (Kiefer, 1932) represented as Microcyclops (Microcyclops) elgonensis Kiefer, 1932
  430. Species Cyclops feuerborni Kiefer, 1933 represented as Cyclops (Microcyclops) feuerborni Kiefer, 1933 represented as Microcyclops feuerborni Kiefer, 1933 represented as Microcyclops (Microcyclops) feuerborni Kiefer, 1933
  431. Species Cyclops furcifer Claus, 1857 represented as Cyclops furcifer furcifer Claus, 1857
  432. Species Cyclops grandis Kiefer, 1935 represented as Cyclops (Metacyclops) grandis Kiefer, 1935 represented as Metacyclops grandis Kiefer, 1935
  433. Species Cyclops haueri Kiefer, 1931 represented as Cyclops (Diacyclops) haueri Kiefer, 1931 represented as Diacyclops haueri (Kiefer, 1931)
  434. Species Cyclops javanus Kiefer, 1930 represented as Cyclops (Microcyclops) javanus Kiefer, 1930 accepted as Cryptocyclops javanus (Kiefer, 1930)
  435. Species Cyclops karamani Kiefer, 1932 represented as Cyclops (Diacyclops) karamani Kiefer, 1932 represented as Diacyclops karamani Kiefer, 1932
  436. Species Cyclops kolensis Lilljeborg, 1901 represented as Cyclops kolensis kolensis Lilljeborg, 1901
  437. Species Cyclops micropus Kiefer, 1932 represented as Cyclops (Metacyclops) micropus Kiefer, 1932 represented as Metacyclops micropus Kiefer, 1932
  438. Species Cyclops moghulensis Lindberg, 1939 represented as Cyclops (Microcyclops) moghulensis Lindberg, 1939 represented as Microcyclops moghulensis (Lindberg, 1939) represented as Microcyclops (Microcyclops) moghulensis (Lindberg, 1939)
  439. Species Cyclops oithonoides Sars G.O., 1863 represented as Cyclops oithonoides oithonoides Sars G.O., 1863 accepted as Mesocyclops oithonoides (Sars G.O., 1863) accepted as Thermocyclops oithonoides (Sars G.O., 1863)
  440. Species Cyclops pilosus Kiefer, 1934 represented as Cyclops (Acanthocyclops) pilosus Kiefer, 1934 accepted as Acanthocyclops venustoides (Coker, 1934) represented as Acanthocyclops venustoides venustoides (Coker, 1934)
  441. Species Cyclops praealpinus Kiefer, 1939 represented as Cyclops abyssorum praealpinus Kiefer, 1939 accepted as Cyclops abyssorum larianus Stella, 1934
  442. Species Cyclops quadricornis (Linnaeus, 1758) represented as Cyclops quadricornis quadricornis (Linnaeus, 1758)
  443. Species Cyclops richardi Lindberg, 1942 represented as Cyclops (Microcyclops) richardi
  444. Species Cyclops rubens Müller O.F., 1785 represented as Cyclops rubens rubens Müller O.F., 1785 accepted as Diaptomus rubens (Müller O.F., 1785)
  445. Species Cyclops scutifer Sars G.O., 1863 represented as Cyclops scutifer scutifer Sars G.O., 1863
  446. Species Cyclops semiserratus Sars G.O., 1909 represented as Eucyclops semiserratus (Sars G.O., 1909) represented as Eucyclops (Sarsicyclops) semiserratus (Sars, 1909)
  447. Species Cyclops skopljensis Kiefer, 1932 represented as Cyclops (Diacyclops) skopljensis Kiefer, 1932 represented as Diacyclops skopljensis Kiefer, 1932
  448. Species Cyclops strenuus Fischer, 1851 represented as Cyclops strenuus strenuus Fischer, 1851
  449. Species Cyclops subtropicus Lindberg, 1937 represented as Cyclops (Microcyclops) subtropicus Lindberg, 1937 accepted as Cyclops (Microcyclops) davidi subtropicus Lindberg, 1939 represented as Microcyclops (Microcyclops) davidi subtropicus (Lindberg, 1939)
  450. Species Cyclops tanganicae Gurney, 1928 represented as Microcyclops tanganicae Gurney, 1928 accepted as Cryptocyclops tanganicae (Gurney, 1928)
  451. Species Cyclops tenuicornis Claus, 1857 represented as Cyclops tenuicornis tenuicornis Claus, 1857 accepted as Macrocyclops signatus (Koch, 1838)
  452. Species Cyclops troglophilus Kiefer, 1932 represented as Cyclops (Acanthocyclops) troglophilus Kiefer, 1932 represented as Acanthocyclops venustus troglophilus Kiefer, 1932 represented as Acanthocyclops troglophilus (Kiefer, 1932)
  453. Species Cyclops tropicus Kiefer, 1932 represented as Cyclops (Metacyclops) topicus Kiefer, 1932 represented as Metacyclops tropicus Kiefer, 1932
  454. Species Cyclops unisetiger Graeter, 1908 represented as Cyclops unisetiger unisetiger Graeter, 1908 accepted as Graeteriella unisetigera (Graeter, 1908)
  455. Species Cyclops uruguayensis Kiefer, 1935 represented as Cyclops (Diacyclops) uruguayensis Kiefer, 1935 represented as Diacyclops uruguayensis (Kiefer, 1935)
  456. Species Cyclops varius Lilljeborg, 1901 represented as Cyclops varius varius Lilljeborg, 1901
  457. Species Cyclops venustoides Coker, 1934 represented as Cyclops venustoides venustoides Coker, 1934 accepted as Acanthocyclops venustoides (Coker, 1934) represented as Acanthocyclops venustoides venustoides (Coker, 1934)
  458. Species Cyclops vernalis Fischer, 1853 represented as Cyclops vernalis vernalis Fischer, 1853 accepted as Acanthocyclops vernalis vernalis (Fischer, 1853)
  459. Species Cyclops vicinus Uljanin, 1875 represented as Cyclops vicinus vicinus Uljanin, 1875
  460. Species Cyclops viduus Kiefer, 1933 represented as Cyclops (Metacyclops) viduus Kiefer, 1933 accepted as Apocyclops viduus (Kiefer, 1933) accepted as Apocyclops panamensis (Marsh, 1913)
  461. Species Cyclops viridis Jurine, 1820 represented as Cyclops viridis viridis Jurine, 1820
  462. Species Cyclops caeruleus Müller O.F., 1776 (uncertain > nomen dubium)
  463. Species Cyclops dentatus Koch, 1844 (uncertain > nomen dubium)
  464. Species Cyclops denticulatus Nicolet, 1849 (uncertain > taxon inquirendum)
  465. Species Cyclops ewarti Brady, 1888 (uncertain > taxon inquirendum, species description based on immature specimen, probably Cyclops strenuus)
  466. Species Cyclops helleri Brady, 1878 (uncertain > taxon inquirendum, species description based on immature specimen, probably Acanthocyclops sp.)
  467. Species Cyclops kaufmanni Uljanin, 1875 (uncertain > taxon inquirendum, species based on immature form)
  468. Species Cyclops laticauda Templeton, 1836 (uncertain > taxon inquirendum, immature form)
  469. Species Cyclops learii Ulrich, 1902 (uncertain > taxon inquirendum)
  470. Species Cyclops ornatus Poggenpol, 1874 (uncertain > nomen dubium, based on an immature species, possibly Eucyclops sp.)
  471. Species Cyclops productus (Müller O.F., 1785) (uncertain > nomen dubium)
  472. Species Cyclops pulchellus Koch, 1838 accepted as Diacyclops navus (Herrick, 1882) (uncertain > nomen dubium)
  473. Species Cyclops serratus Pratz, 1866 accepted as Cyclops viridis Jurine, 1820 represented as Cyclops viridis viridis Jurine, 1820 (uncertain > nomen dubium, Based on the description and drawings, Cyclops serratus might perhaps be a Megacyclops. Yet even the generic identity is uncertain see the P5 in Fig. 42, which differs from the morphology typical in Megacyclops. Anyway, the very short caudal rami and P4)
  474. Species Cyclops vulgaris Leach, 1819 (uncertain)
  475. Species Cyclops vulgaris Koch, 1838 (uncertain)
marine, brackish, fresh, terrestrial
Müller, O.F. (1785). Entomostraca seu Insecta Testacea, quae in aquis Daniae et Norvegiae reperit, descripsit et iconibus illustravit Otho Fridericus Müller. [The Entomostraca or Insecta Testacea, which he finds in the waters of Denmark and Norway, were described and illustrated by icons by Otho Friedrich Müller.]. <em>F.W. Thiele, Lipsiae & Havniae.</em> 134 pp., index, pls. 1-21. [details] OpenAccess publication
Walter, T.C.; Boxshall, G. (2025). World of Copepods Database. Cyclops Müller O.F., 1785. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=149782 on 2025-03-18
Date
action
by
2005-03-30 12:51:50Z
created
Cuvelier, Daphne
2008-08-06 13:32:15Z
changed
Walter, T. Chad
2013-04-10 09:35:56Z
changed
Walter, T. Chad
2020-06-06 19:30:46Z
changed
Walter, T. Chad

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Nomenclature

original description Müller, O.F. (1785). Entomostraca seu Insecta Testacea, quae in aquis Daniae et Norvegiae reperit, descripsit et iconibus illustravit Otho Fridericus Müller. [The Entomostraca or Insecta Testacea, which he finds in the waters of Denmark and Norway, were described and illustrated by icons by Otho Friedrich Müller.]. <em>F.W. Thiele, Lipsiae & Havniae.</em> 134 pp., index, pls. 1-21. [details] OpenAccess publication

original description (of Nauplius Müller O.F., 1785) Müller, O.F. (1785). Entomostraca seu Insecta Testacea, quae in aquis Daniae et Norvegiae reperit, descripsit et iconibus illustravit Otho Fridericus Müller. [The Entomostraca or Insecta Testacea, which he finds in the waters of Denmark and Norway, were described and illustrated by icons by Otho Friedrich Müller.]. <em>F.W. Thiele, Lipsiae & Havniae.</em> 134 pp., index, pls. 1-21.
page(s): 40 [details] OpenAccess publication

basis of record Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details] 

Other

additional source Alverdes, F. (1920). Die Vererbung von Abnormalitäten bei Cyclops. [The inheritance of abnormalities in Cyclops.]. <em>Zeitschrift für Induktive Abstammungs- und Vererbungslehre, Berlin.</em> 24:211-278, figs. 1-56. (xi-1920). [details] OpenAccess publication

additional source Alverdes, F. (1920). Über das Manifestwerden der ererbten Anlage einer Abnormalität. (Nach Untersuchungen an Cyclops. [ On the manifestation of the inherited predisposition to an abnormality. (Based on investigations on Cyclops.]. <em>Biologisches Zentralblatt, Leipzig.</em> 40: 473-480. [details] OpenAccess publication

additional source Breemen, P.J. van. (1907). Vrijlevende zoetwater-Copepoden van Nederland. [Free-living freshwater copepods of the Netherlands.]. <em>Tijdschrift der Nederlandsche Dierkundige Vereeniging (A.</em> (2)10(3):303-368, pls. 6-7. [details] OpenAccess publication

additional source Claus, C. (1857). Das Genus Cyclops und seine einheimischen Arten. [The genus Cyclops and its native species.]. <em>Archiv für Naturgeschichte, Inaugual-Dissertation der Hochiloblichen Philosophischen Fakultät zu Marburg,.</em> 23:1-40, pls. 1-3. [details] OpenAccess publication

additional source Dana, J.D. (1853-1855). Crustacea. Part II. <em>In: United States Exploring Expedition. During the years 1838, 1839, 1840, 1841, 1842. Under the command of Charles Wilkes. U. S. N., C. Sherman Printer, Philadelphia.</em> 14: 691-1618. [1855, folio atlas pls. 1-96.]., available online at https://www.biodiversitylibrary.org/page/40412910 [details] OpenAccess publication

additional source Lindberg, K. (1957). Le groupe Cyclops rubens (syn. Cyclops strenuus). Revision du genre Cyclops s. str. (O.F. Müller 1770) (Crustacés Copépodes). [The Cyclops rubens group (syn. Cyclops strenuus). Revision of the genus Cyclops s. str. (O.F. Müller 1770) (Crustacea Copepods).]. <em>C.W.K. Gleerup Editeurs, Lund, Suede.</em> :1-335, figs. 1-113. Imprimee en Suede nya Litografen, Malmo 1958 II 500. [details] Available for editors  PDF available [request]

additional source Dussart, B.H. (1960). Le genre Cyclops s. str. (Crustacé Copépode) en France. [The genus Cyclops s. str. (Copepod Crustacean) in France.]. <em>Comptes Rendus de l'Association Française pour l'Avancement des Sciences, paris.</em> 76:51-56, figs. 1-3. [details] 

additional source Forbes, E.B. (1897). A contribution to a knowledge of North American freshwater Cyclopidae. Bulletin of the Illinois State Laboratory of Natural History 5(2):27-83, pls. 8-20. [details] OpenAccess publication

additional source Kiefer, F. (1929). Crustacea Copepoda. 2. Cyclopoida Gnathostoma. <em>Das Tierreich, Berlin und Leipzig.</em> 53:1-102. [German].
page(s): 45-49 [details] Available for editors  PDF available [request]

additional source Labbé, A. (1926). Remarques sur le genre Cyclops O.F. Müller. [Remarks on the genus Cyclops O.F. Müller.]. <em>Bulletin de la Société Zoologique de France.</em> 51:56-64. [details] Available for editors  PDF available [request]

additional source Marsh, C.D. (1910). A revision of the North American species of Cyclops. <em>Transactions of the Wisconsin Academy of Sciences, Arts, and Letters.</em> 16(2)3:1067-1135, pls. 72-81. (completed vol.16 is dated 1910). [details] OpenAccess publication

additional source Monchenko, V.I. (1974). Shchelepnoroti tsiklopodiny, tsiklopi (Cyclopidae). Gnathostoma, Cyclopoida, (Cyclopidae). [Sliver-clawed cyclopoids, Cyclops (Cyclopidae). Gnathnostoma, Cyclopoida, (Cyclopidae).]. <em>Fauna Ukrainy, Fauna of Ukraine, Vidavnitstvo Naukova Dumka, Kiev.</em> 27(3):1-452, figs. 1-142. (28-vi-1974, Ukrainian).
page(s): 141-146 [details] Available for editors  PDF available [request]

additional source Lilljeborg, W. (1901). Synopsis specierum huc usque in Suecia observatarum generis Cyclopis, sive Bidrag till en Öfversigt af de inom Sverige iakttagna Arterna af Slägtet Cyclops. Kungliga Svenska Vetensk-Akademiens Handlingar, New Series 35(4):1-118, pls. 1-6. [details] OpenAccess publication

additional source McDonald, M. (1940). A key to the species of Cyclops in Iowa. Proceedings of the Iowa Academy of Science 46:373-381, figs. 1-41. (vi-1940) [details] Available for editors  PDF available [request]

additional source Rylov, V.M. (1963). Freshwater Cyclopoida. Cyclopoida presnykh vod. <em>Fauna of USSR, Crustacea.</em> 3(3): i-vi, 1-314, figs. 1-79. ( Translation by Israel Program Scient. Trans. of Rylov, V.M. (1948). Cyclopoida presnyk vod. Cyclopoid fauna. Fauna SSSR Rakoobraznye, Moscow. 3(3):1-318, figs. 1-79. [details] Available for editors  PDF available [request]

additional source Slack, F.E. (1956). A key to the British species of the genus Cyclops O.F. Müller. Glasgow Naturalist 17(5):250-256, figs. 1-3. (xii-1956) [details] Available for editors  PDF available [request]

additional source Byrnes, E.F. (1909). The fresh water Cyclops of Long Island. <em>Cold Sprint Harbor Monographs, The Brooklyn Institute of Arts and Sciences publisher.</em> 7:1-43, 15 pls. [details] OpenAccess publication

additional source Häcker, V. (1890). Über die Reifungsvorgänge bei Cyclops. <em>Zoologischen Anzeiger.</em> 346:1-8. [details] OpenAccess publication

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

    Definitions

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LanguageName 
English copepods  [details]
German Hüpferlinge  [details]
Swedish strandstjärnor [from synonym]  [details]
3x5 C.B. Wilson Taxonomic Card - cyclops Document hosted within WoRMS 
3x5 C.B. Wilson Taxonomic Card - Nauplius Document hosted within WoRMS (from synonym Nauplius Müller O.F., 1785)
To European Nucleotide Archive, ENA (Cyclops) 
To European Nucleotide Archive, ENA (Nauplius) (from synonym Nauplius Müller O.F., 1785)
To ITIS
From editor or global species database
Monoculus quadricornis
Monoculus quadricornis
Image from typetaxon
Cyclops species
Cyclops species
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