Acanthocyclops Kiefer, 1927 (additional source)
Acanthocyclops americanus (Marsh, 1893) represented as Acanthocyclops americanus americanus (Marsh, 1893) (additional source)
Acanthocyclops capillatus (Sars G.O., 1863) (additional source)
Acanthocyclops crinitus (Graeter, 1908) (additional source)
Acanthocyclops muscicola (Lastochkin, 1924) (additional source)
Acanthocyclops phreaticus (Chappuis, 1928) (additional source)
Acanthocyclops rhenanus Kiefer, 1936 (additional source)
Acanthocyclops sensitivus (Graeter & Chappuis, 1914) (additional source)
Acanthocyclops venustus (Norman & Scott T., 1906) represented as Acanthocyclops venustus venustus (Norman & Scott T., 1906) (additional source)
Acanthocyclops vernalis (Fischer, 1853) represented as Acanthocyclops vernalis vernalis (Fischer, 1853) (additional source)
Acanthocyclops vernalis robustus (Sars G.O., 1863) (additional source)
Acanthocyclops viridis (Jurine, 1820) represented as Acanthocyclops viridis viridis (Jurine, 1820) accepted as Megacyclops viridis viridis (Jurine, 1820) (additional source)
Cyclopinae Kiefer, 1927 (additional source)
Cyclops Müller O.F., 1785 (additional source)
Cyclops abyssorum Sars G.O., 1863 accepted as Cyclops abyssorum abyssorum Sars G.O., 1863 (additional source)
Cyclops bohater Kozminski, 1933 represented as Cyclops bohater bohater Kozminski, 1933 (additional source)
Cyclops furcifer Claus, 1857 represented as Cyclops furcifer furcifer Claus, 1857 (additional source)
Cyclops insignis Claus, 1857 (additional source)
Cyclops kolensis Lilljeborg, 1901 represented as Cyclops kolensis kolensis Lilljeborg, 1901 (additional source)
Cyclops scutifer Sars G.O., 1863 represented as Cyclops scutifer scutifer Sars G.O., 1863 (additional source)
Cyclops skopljensis Kiefer, 1932 represented as Cyclops (Diacyclops) skopljensis Kiefer, 1932 represented as Diacyclops skopljensis Kiefer, 1932 (additional source)
Cyclops smirnovi Rylov, 1948 (additional source)
Cyclops strenuus Fischer, 1851 represented as Cyclops strenuus strenuus Fischer, 1851 (additional source)
Cyclops vicinus Uljanin, 1875 represented as Cyclops vicinus vicinus Uljanin, 1875 (additional source)
Cyclops vicinus kikuchii Smirnov, 1932 represented as Cyclops kikuchii Smirnov, 1932 (additional source)
Diacyclops karamani Kiefer, 1932 (additional source)
Diacyclops languidoides (Lilljeborg, 1901) represented as Diacyclops languidoides languidoides (Lilljeborg, 1901) (additional source)
Diacyclops languidoides badeniae Kiefer, 1933 (additional source)
Diacyclops languidoides eriophori Gurney, 1927 (additional source)
Diacyclops languidoides gracilicaudatus Smirnov, 1930 (additional source)
Diacyclops languidoides hiberniae (Gurney, 1927) (additional source)
Diacyclops languidoides nagysalloensis Kiefer, 1927 (additional source)
Diacyclops languidoides putealis (Chappuis, 1928) (additional source)
Diacyclops languidoides tantalus (Kiefer, 1937) (additional source)
Diacyclops skopljensis Kiefer, 1932 (additional source)
Ectocyclops phaleratus (Koch, 1838) (additional source)
Eucyclops Claus, 1893 (additional source)
Eucyclops graeteri (Chappuis, 1927) (additional source)
Eucyclops macruroides (Lilljeborg, 1901) represented as Eucyclops macruroides macruroides (Lilljeborg, 1901) represented as Eucyclops (Denticyclops) macruroides (Lilljeborg, 1901) (additional source)
Eucyclops macruroides denticulatus (Graeter, 1903) represented as Eucyclops (Denticyclops) denticulatus (Graeter, 1903) (additional source)
Eucyclops macrurus (Sars G.O., 1863) represented as Eucyclops macrurus macrurus (Sars G.O., 1863) represented as Eucyclops (Macrurocyclops) macrurus (Sars G.O., 1863) (additional source)
Eucyclops nagasakai Uéno, 1934 represented as Eucyclops (Subterrocyclops) nagasakai Uéno, 1934 (additional source)
Eucyclops serrulatus (Fischer, 1851) represented as Eucyclops serrulatus serrulatus (Fischer, 1851) (additional source)
Eucyclops serrulatus nagasakai Uéno, 1934 represented as Eucyclops nagasakai Uéno, 1934 represented as Eucyclops (Subterrocyclops) nagasakai Uéno, 1934 (additional source)
Eucyclops serrulatus proximus (Lilljeborg, 1901) (additional source)
Eucyclops serrulatus speratus (Lilljeborg, 1901) represented as Eucyclops speratus (Lilljeborg, 1901) represented as Eucyclops speratus speratus (Lilljeborg, 1901) represented as Eucyclops (Speratocyclops) speratus (Lilljeborg, 1901) (additional source)
Graeteriella Brehm, 1926 (additional source)
Graeteriella (Paragraeteriella) laisi (Kiefer, 1936) (additional source)
Graeteriella unisetigera (Graeter, 1908) (additional source)
Macrocyclops Claus, 1893 (additional source)
Macrocyclops albidus (Jurine, 1820) represented as Macrocyclops albidus albidus (Jurine, 1820) (additional source)
Macrocyclops fuscus (Jurine, 1820) (additional source)
Mesocyclops bodanicola Kiefer, 1955 represented as Mesocyclops leuckarti bodanicola Kiefer, 1929 (additional source)
Mesocyclops leuckarti (Claus, 1857) represented as Mesocyclops (Mesocyclops) leuckarti (Claus, 1857) represented as Mesocyclops (Mesocyclops) leuckarti leuckarti (Claus, 1857) (additional source)
Mesocyclops leuckarti pilosus Kiefer, 1930 represented as Mesocyclops pilosus Kiefer, 1930 (additional source)
Microcyclops Claus, 1893 (additional source)
Microcyclops varicans (Sars G.O., 1863) represented as Microcyclops varicans varicans (Sars G.O., 1863) (additional source)
Microcyclops varicans rubellus (Lilljeborg, 1901) represented as Microcyclops rubellus (Lilljeborg, 1901) (additional source)
Ochridacyclops arndti Kiefer, 1937 represented as Ochridacyclops arndti arndti Kiefer, 1937 (additional source)
Paracyclops Claus, 1893 (additional source)
Paracyclops affinis (Sars G.O., 1863) (additional source)
Paracyclops fimbriatus (Fischer, 1853) represented as Paracyclops fimbriatus fimbriatus (Fischer, 1853) (additional source)
Paracyclops fimbriatus abnobensis Kiefer, 1929 (additional source)
Paracyclops fimbriatus finitimus Kiefer, 1928 (additional source)
Paracyclops fimbriatus imminutus Kiefer, 1929 (additional source)
Paracyclops poppei (Rehberg, 1880) (additional source)
Paragraeteriella Rylov, 1948 represented as Graeteriella (Paragraeteriella) Rylov, 1948 (additional source)
Speocyclops cerberus (Chappuis, 1934) (additional source)
Speocyclops colchidanus (Borutzky, 1930) (additional source)
Speocyclops demetiensis (Scourfield, 1932) represented as Speocyclops demetiensis demetiensis (Scourfield, 1932) (additional source)
Speocyclops infernus (Kiefer, 1930) (additional source)
Speocyclops orcinus Kiefer, 1937 (additional source)
Speocyclops plutonis Kiefer, 1937 (additional source)
Speocyclops proserpinae Kiefer, 1937 (additional source)
Speocyclops racovitzai (Chappuis, 1923) represented as Speocyclops racovitzai racovitzai (Chappuis, 1923) (additional source)
Speocyclops sebastianus Kiefer, 1937 (additional source)
Speocyclops sisyphus Kiefer, 1937 (additional source)
Speocyclops spelaeus Kiefer, 1937 (additional source)
Speocyclops troglodytes (Chappuis, 1923) (additional source)
Thermocyclops dybowskii (Landé, 1890) represented as Thermocyclops dybowskii dybowskii (Landé, 1890) (additional source)
Thermocyclops oithonoides (Sars G.O., 1863) (additional source)
Thermocyclops rylovi (Smirnov, 1928) represented as Thermocyclops rylovi rylovi (Smirnov, 1928) (additional source)
Tropocyclops Kiefer, 1927 (additional source)
Tropocyclops prasinus (Fischer, 1860) represented as Tropocyclops prasinus prasinus (Fischer, 1860) (additional source)