Acanthocyclops capillatus (Sars G.O., 1863) (additional source)
Acanthocyclops kieferi (Chappuis, 1925) (additional source)
Acanthocyclops lobulosus (Ekman, 1905) accepted as Diacyclops michaelseni (Mrázek, 1901) (additional source)
Acanthocyclops michaelseni (Mrázek, 1901) accepted as Diacyclops michaelseni (Mrázek, 1901) (additional source)
Acanthocyclops muscicola (Lastochkin, 1924) (additional source)
Acanthocyclops phreaticus (Chappuis, 1928) (additional source)
Acanthocyclops reductus (Chappuis, 1925) represented as Acanthocyclops reductus reductus (Chappuis, 1925) (additional source)
Acanthocyclops robustus (Sars G.O., 1863) represented as Acanthocyclops robustus robustus (Sars G.O., 1863) (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)
Bryocyclops Kiefer, 1927 (additional source)
Bryocyclops chappuisi Kiefer, 1928 (additional source)
Bryocyclops muscicola (Menzel, 1926) (additional source)
Bryocyclops parvulus Kiefer, 1928 (additional source)
Cyclopetta difficilis Sars G.O., 1913 (additional source)
Cyclopina Claus, 1863 (additional source)
Cyclopina belgicae Giesbrecht, 1902 accepted as Pseudocyclopina belgicae (Giesbrecht, 1902) (additional source)
Cyclopina brachystylis Sars G.O., 1921 (additional source)
Cyclopina dilatata Sars G.O., 1921 accepted as Cyclopinoides dilatata (Sars G.O., 1921) (additional source)
Cyclopina elegans Scott T., 1894 accepted as Cyclopinodes elegans (Scott T., 1894) (additional source)
Cyclopina euacantha Sars G.O., 1918 accepted as Cyclopidina euacantha (Sars G.O., 1918) (additional source)
Cyclopina gracilis Claus, 1863 (additional source)
Cyclopina intermedia Sewell, 1924 accepted as Paracyclopina intermedia (Sewell, 1924) (additional source)
Cyclopina littoralis (Brady, 1872) accepted as Cyclopinoides littoralis (Brady, 1872) (additional source)
Cyclopina longicornis Boeck, 1873 accepted as Cyclopinoides longicornis (Boeck, 1873) (additional source)
Cyclopina longifurca Sewell, 1924 accepted as Paracyclopina longifurca (Sewell, 1924) (additional source)
Cyclopina longifurcata Scott T., 1901 accepted as Cyclopicina longifurcata (Scott T., 1901) (additional source)
Cyclopina norvegica Boeck, 1865 (additional source)
Cyclopina pusilla Sars G.O., 1905 accepted as Cyclopinodes pusilla (Sars G.O., 1905) (additional source)
Cyclopina pygmaea Sars G.O., 1918 (additional source)
Cyclopina schneideri Scott T., 1903 (additional source)
Cyclopina steueri Früchtl, 1923 (additional source)
Cyclopinae Kiefer, 1927 (additional source)
Cyclopinae Dana, 1853-1855 (additional source)
Cyclopinella tumidula Sars G.O., 1913 (additional source)
Cyclops Müller O.F., 1785 (additional source)
Cyclops abyssorum Sars G.O., 1863 represented as Cyclops abyssorum abyssorum Sars G.O., 1863 (additional source)
Cyclops australis Sars G.O., 1896 (basis of record)
Cyclops donnaldsoni Chappuis, 1929 accepted as Megacyclops donnaldsoni (Chappuis, 1929) represented as Megacyclops donnaldsoni donnaldsoni (Chappuis, 1929) (additional source)
Cyclops echinatus Kiefer, 1926 accepted as Eucyclops stuhlmanni echinatus (Kiefer, 1926) represented as Eucyclops echinatus (Kiefer, 1926) represented as Eucyclops (Mrazekicyclops) echinatus (Kiefer, 1926) (source of synonymy)
Cyclops fragilis Kiefer, 1926 accepted as Eucyclops fragilis (Kiefer, 1926) represented as Eucyclops vandouwei (Brehm, 1909) represented as Eucyclops (Eucyclops) vandouwii (Brehm, 1909) (additional source)
Cyclops furcifer Claus, 1857 represented as Cyclops furcifer furcifer Claus, 1857 (additional source)
Cyclops ingens Herrick, 1882 accepted as Megacyclops gigas (Claus, 1857) represented as Megacyclops gigas gigas (Claus, 1857) (additional source)
Cyclops insignis Claus, 1857 (additional source)
Cyclops jeanneli Chappuis, 1929 accepted as Diacyclops jeanneli (Chappuis, 1929) (additional source)
Cyclops krillei Studer, 1878 (additional source)
Cyclops lacunae Lowndes, 1926 accepted as Cyclops furcifer Claus, 1857 represented as Cyclops furcifer furcifer Claus, 1857 (source of synonymy)
Cyclops lacustris Sars G.O., 1863 accepted as Cyclops strenuus strenuus Fischer, 1851 (additional source)
Cyclops operculatus Chappuis, 1917 accepted as Muscocyclops operculatus (Chappuis, 1917) (additional source)
Cyclops potamius Burckhardt, 1913 (additional source)
Cyclops racovitzai Chappuis, 1923 accepted as Speocyclops racovitzai (Chappuis, 1923) represented as Speocyclops racovitzai racovitzai (Chappuis, 1923) (additional source)
Cyclops rarispinus Sars G.O., 1909 accepted as Eucyclops rarispinus (Sars G.O., 1909) represented as Eucyclops (Ciliocyclops) rarispinus (Sars G.O., 1909) (additional source)
Cyclops scutifer Sars G.O., 1863 represented as Cyclops scutifer scutifer Sars G.O., 1863 (additional source)
Cyclops semiserratus Sars G.O., 1909 represented as Eucyclops semiserratus (Sars G.O., 1909) represented as Eucyclops (Sarsicyclops) semiserratus (Sars, 1909) (additional source)
Cyclops staheli Chappuis, 1917 accepted as Menzeliella staheli (Chappuis, 1917) (additional source)
Cyclops strenuus Fischer, 1851 represented as Cyclops strenuus strenuus Fischer, 1851 (additional source)
Cyclops troglodytes Chappuis, 1923 accepted as Speocyclops troglodytes (Chappuis, 1923) (additional source)
Cyclops unisetiger Graeter, 1908 represented as Cyclops unisetiger unisetiger Graeter, 1908 accepted as Graeteriella unisetigera (Graeter, 1908) (additional source)
Cyclops varius speratus Lilljeborg, 1901 represented as Cyclops speratus Lilljeborg, 1901 accepted as Eucyclops speratus (Lilljeborg, 1901) represented as Eucyclops speratus speratus (Lilljeborg, 1901) represented as Eucyclops (Speratocyclops) speratus (Lilljeborg, 1901) represented as Eucyclops (Speratocyclops) speratus speratus (Lilljeborg, 1901) (source of synonymy)
Cyclops vicinus Uljanin, 1875 represented as Cyclops vicinus vicinus Uljanin, 1875 (additional source)
Diacyclops abyssicola (Lilljeborg, 1901) (additional source)
Diacyclops bicuspidatus (Claus, 1857) represented as Diacyclops bicuspidatus bicuspidatus (Claus, 1857) (additional source)
Diacyclops bisetosus (Rehberg, 1880) (additional source)
Diacyclops clandestinus (Kiefer, 1926) accepted as Diacyclops yeatmani Reid, 1988 (additional source)
Diacyclops crassicaudis cretensis (Kiefer, 1928) (additional source)
Diacyclops crassicaudoides (Kiefer, 1928) (additional source)
Diacyclops disjunctus Thallwitz, 1927 accepted as Diacyclops languidus disjunctus (Thallwitz, 1927) (additional source)
Diacyclops eriophori Gurney, 1927 (additional source)
Diacyclops hypnicola (Gurney, 1927) (additional source)
Diacyclops jeanneli (Chappuis, 1929) (additional source)
Diacyclops languidoides (Lilljeborg, 1901) represented as Diacyclops languidoides languidoides (Lilljeborg, 1901) (additional source)
Diacyclops languidoides hiberniae (Gurney, 1927) (additional source)
Diacyclops languidoides nagysalloensis Kiefer, 1927 (additional source)
Diacyclops languidoides putealis (Chappuis, 1928) (additional source)
Diacyclops languidus (Sars G.O., 1863) represented as Diacyclops languidus languidus (Sars G.O., 1863) (additional source)
Diacyclops nanus (Sars G.O., 1863) represented as Diacyclops nanus nanus (Sars G.O., 1863) (additional source)
Diacyclops odessanus (Schmankevitsch, 1875) (additional source)
Diacyclops stygius (Chappuis, 1924) represented as Diacyclops stygius stygius (Chappuis, 1924) (additional source)
Diacyclops thomasi (Forbes S.A., 1882) (additional source)
Diacyclops zschokkei (Graeter, 1910) (additional source)
Ectocyclops Brady, 1904 (additional source)
Ectocyclops compactus (Sars G.O., 1909) (additional source)
Ectocyclops coperes (Gurney, 1928) (additional source)
Ectocyclops fimbriatus (Fischer, 1853) accepted as Paracyclops fimbriatus (Fischer, 1853) represented as Paracyclops fimbriatus fimbriatus (Fischer, 1853) (additional source)
Ectocyclops phaleratus (Koch, 1838) (additional source)
Eucyclops Claus, 1893 (additional source)
Eucyclops (Ciliocyclops) permixtus Kiefer, 1928 represented as Eucyclops (Ciliocyclops) permixtus permixtus Kiefer, 1928 (additional source)
Eucyclops (Eucyclops) agiloides (Sars G.O., 1909) represented as Eucyclops (Eucyclops) agiloides agiloides (Sars G.O., 1909) (additional source)
Eucyclops (Eucyclops) delachauxi (Kiefer, 1925) (additional source)
Eucyclops (Eucyclops) neumani (Pesta, 1927) (additional source)
Eucyclops (Eucyclops) serrulatus (Fischer, 1851) represented as Eucyclops (Eucyclops) serrulatus serrulatus (Fischer, 1851) (additional source)
Eucyclops (Eucyclops) serrulatus hadjebensis (Kiefer, 1926) (additional source)
Eucyclops (Eucyclops) sublaevis (Sars G.O., 1927) (additional source)
Eucyclops (Eucyclops) vandouwii (Brehm, 1909) (additional source)
Eucyclops angustus (Sars G.O., 1909) represented as Eucyclops (Macrurocyclops) angustus (G.O. Sars, 1909) (additional source)
Eucyclops ciliatus (Sars G.O., 1909) represented as Eucyclops (Ciliocyclops) ciliatus (Sars G.O., 1909) (additional source)
Eucyclops cognatus Kiefer, 1929 represented as Eucyclops euacanthus cognatus Kiefer, 1929 represented as Eucyclops (Denticyclops) euacanthus cognatus Kiefer, 1929 (additional source)
Eucyclops dubius (Sars G.O., 1909) represented as Eucyclops (Macrurocyclops) dubius (Sars G.O., 1909) (additional source)
Eucyclops echinatus (Kiefer, 1926) represented as Eucyclops (Mrazekicyclops) echinatus (Kiefer, 1926) (additional source)

 Taxonomic remark

 for Thermocyclops decipiens (Kiefer, 1929)

T. decipiens (Kiefer), in the Nachtrag (appendix) of this paper, on page 91, Kiefer distinguished Meso. (Thermo.) ... [details]