Afrocyclops propinquus (Kiefer, 1932) represented as Eucyclops (Subterrocyclops) propinquus Kiefer, 1932 (new combination reference)
Australoeucyclops linderi (Lindberg, 1948) represented as Eucyclops (Subterrocyclops) linderi Lindberg, 1948 (new combination reference)
Cyclops delachauxi Kiefer, 1925 accepted as Eucyclops delachauxi (Kiefer, 1925) represented as Eucyclops (Subterrocyclops) delachauxi (Kiefer, 1925) (source of synonymy)
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 (Subterrocyclops) fragilis (Kiefer, 1926) (source of synonymy)
Cyclops laevimargo Sars G.O., 1909 accepted as Eucyclops laevimargo (Sars G.O., 1909) represented as Eucyclops laevimargo laevimargo (Sars G.O., 1909) represented as Eucyclops (Macrurocyclops) laevimargo (G.O. Sars, 1909) (source of synonymy)
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) (source of synonymy)
Cyclops macrurus subterranea Graeter, 1907 accepted as Eucyclops subterraneus (Graeter, 1907) represented as Eucyclops subterraneus subterraneus (Graeter, 1907) represented as Eucyclops (Subterrocyclops) subterraneus (Graeter, 1907) (new combination reference)
Cyclops semiserratus Sars G.O., 1909 represented as Eucyclops (Sarsicyclops) semiserratus (Sars, 1909) (source of synonymy)
Cyclops serrulatus speratus Lilljeborg, 1901 accepted 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) (new combination reference)
Cyclops stuhlmanni Mrázek, 1898 accepted as Eucyclops stuhlmanni (Mrázek, 1898) represented as Eucyclops stuhlmanni stuhlmanni (Mrázek, 1898) represented as Eucyclops (Mrazekicyclops) stuhlmanni (Mrazek, 1898) (new combination reference)
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) (new combination reference)
Defayeicyclops Alekseev & Vaillant in: Alekseev, Haffner, Vaillant & Yusoff, 2013 (additional source)
Defayeicyclops jamaicensis (Reid & Janetzky, 1996) (source of synonymy)
Eucyclopinae Kiefer, 1927 (additional source)
Eucyclops Claus, 1893 (new combination reference)
Eucyclops (Breviramocyclops) Alekseev, 2019 (original description)
Eucyclops (Breviramocyclops) breviramatus Löffler, 1963 (new combination reference)
Eucyclops (Breviramocyclops) edytae Tang & Knott, 2009 (new combination reference)
Eucyclops (Breviramocyclops) puteincola Kiefer, 1981 (new combination reference)
Eucyclops (Breviramocyclops) siolii Herbst, 1962 (new combination reference)
Eucyclops (Ciliocyclops) Alekseev, 2019 (original description)
Eucyclops (Ciliocyclops) ciliatus (Sars G.O., 1909) (new combination reference)
Eucyclops (Denticyclops) Alekseev, 2019 (original description)
Eucyclops (Denticyclops) birmanus Lindberg, 1949 (new combination reference)
Eucyclops (Denticyclops) denticulatus (Graeter, 1903) (original description)
Eucyclops (Denticyclops) euacanthus (Sars G.O., 1909) (basis of record)
Eucyclops (Denticyclops) euacanthus baylyi Morton, 1990 (basis of record)
Eucyclops (Denticyclops) euacanthus cognatus Kiefer, 1928 (basis of record)
Eucyclops (Denticyclops) euacanthus lanceolatus Dussart, 1974 (basis of record)
Eucyclops (Denticyclops) ibleicus Pesce & Galassi, 1987 (basis of record)
Eucyclops (Denticyclops) leptacanthus Kiefer, 1956 (additional source)
Eucyclops (Denticyclops) longispinosus Pesce & Galassi, 1987 (original description)
Eucyclops (Denticyclops) macruroides (Lilljeborg, 1901) (original description)
Eucyclops (Denticyclops) microdenticulatus Lindberg, 1940 (basis of record)
Eucyclops (Denticyclops) neomacruroides Dussart & Fernando, 1990 (original description)
Eucyclops (Denticyclops) pseudoensifer Dussart, 1984 (basis of record)
Eucyclops (Denticyclops) titicacae Kiefer, 1957 (original description)
Eucyclops (Eucyclops) Alekseev, 2019 (original description)
Eucyclops (Eucyclops) roseus Ishida, 1997 represented as Eucyclops (Eucyclops) agiloides roseus Ishida, 1997 (new combination reference)
Eucyclops (Isocyclops) caparti Kiefer, 1957 (additional source)
Eucyclops (Macrurocyclops) Alekseev, 2019 (original description)
Eucyclops (Macrurocyclops) angustus (G.O. Sars, 1909) (new combination reference)
Eucyclops (Macrurocyclops) dubius (Sars G.O., 1909) (basis of record)
Eucyclops (Macrurocyclops) laevimargo (G.O. Sars, 1909) (new combination reference)
Eucyclops (Macrurocyclops) macrurus (Sars G.O., 1863) (basis of record)
Eucyclops (Macrurocyclops) madagascariensis (Kiefer, 1926) (new combination reference)
Eucyclops (Macrurocyclops) maritimus Alekseev & Monchenko, 2011 (new combination reference)
Eucyclops (Macrurocyclops) orthostylis Lindberg, 1952 (new combination reference)
Eucyclops (Macrurocyclops) persistens Monchenko, 1978 (new combination reference)
Eucyclops (Mrazekicyclops) Alekseev, 2019 (original description)
Eucyclops (Mrazekicyclops) echinatus (Kiefer, 1926) (new combination reference)
Eucyclops (Mrazekicyclops) inarmatus Kiefer, 1932 (new combination reference)
Eucyclops (Mrazekicyclops) miurai Ito Tak., 1952 (new combination reference)
Eucyclops (Mrazekicyclops) stuhlmanni (Mrazek, 1898) (new combination reference)
Eucyclops (Sarsicyclops) Alekseev, 2019 (new combination reference)
Eucyclops (Sarsicyclops) Alekseev, 2019 (original description)
Eucyclops (Sarsicyclops) crassispinosus Kiefer, 1932 (new combination reference)
Eucyclops (Sarsicyclops) nichollsi Brehm, 1950 (new combination reference)
Eucyclops (Sarsicyclops) porrectus Kiefer, 1932 (new combination reference)
Eucyclops (Sarsicyclops) semiserratus (Sars, 1909) (new combination reference)
Eucyclops (Sarsicyclops) spatharum Harding, 1942 (new combination reference)
Eucyclops (Speratocyclops) Alekseev, 2019 (original description)
Eucyclops (Speratocyclops) arcanus Alekseev, 1990 (new combination reference)
Eucyclops (Speratocyclops) delongi Alekseev, 2019 (original description)
Eucyclops (Speratocyclops) dumonti Alekseev, 2000 (new combination reference)
Eucyclops (Speratocyclops) leschermoutouae Alekseev & Defaye, 2004 (new combination reference)
Eucyclops (Speratocyclops) productus Kiefer, 1936 (new combination reference)
Eucyclops (Speratocyclops) speratus (Lilljeborg, 1901) (new combination reference)
Eucyclops (Speratocyclops) troposperatus Alekseev & Yusoff, 2013 (new combination reference)
Eucyclops (Subterrocyclops) Alekseev, 2019 (original description)
Eucyclops (Subterrocyclops) bryophilus Llindberg, 1950 (new combination reference)
Eucyclops (Subterrocyclops) chivahensis Lindberg, 1960 (new combination reference)
Eucyclops (Subterrocyclops) delachauxi (Kiefer, 1925) (new combination reference)
Eucyclops (Subterrocyclops) elburziensis Lindberg, 1941 (new combination reference)
Eucyclops (Subterrocyclops) fragilis (Kiefer, 1926) (new combination reference)
Eucyclops (Subterrocyclops) glaber Kiefer, 1935 (new combination reference)
Eucyclops (Subterrocyclops) linderi Lindberg, 1948 (new combination reference)
Eucyclops (Subterrocyclops) nagasakai Uéno, 1934 (new combination reference)
Eucyclops (Subterrocyclops) naphaeus Petkovski, 1972 (new combination reference)
Eucyclops (Subterrocyclops) propinquus Kiefer, 1932 (new combination reference)
Eucyclops (Subterrocyclops) subterraneus (Graeter, 1907) (new combination reference)
Eucyclops (Subterrocyclops) thienemanni Kiefer, 1930 (new combination reference)
Eucyclops (Subterrocyclops) torresphilipi Suárez-Morales, 2004 (new combination reference)
Eucyclops angustus (Sars G.O., 1909) represented as Eucyclops (Macrurocyclops) angustus (G.O. Sars, 1909) (source of synonymy)
Eucyclops arcanus Alekseev, 1990 represented as Eucyclops (Speratocyclops) arcanus Alekseev, 1990 (new combination reference)
Eucyclops baylyi Morton, 1990 represented as Eucyclops (Denticyclops) euacanthus baylyi Morton, 1990 (source of synonymy)
Eucyclops birmanus Lindberg, 1949 represented as Eucyclops birmanus birmanus Lindberg, 1949 represented as Eucyclops (Denticyclops) birmanus Lindberg, 1949 (source of synonymy)
Eucyclops birmanus aequatorialis Dussart & Fernando, 1985 accepted as Eucyclops (Denticyclops) birmanus Lindberg, 1949 (source of synonymy)
Eucyclops birmanus birmanus Lindberg, 1949 represented as Eucyclops (Denticyclops) birmanus Lindberg, 1949 (source of synonymy)
Eucyclops breviramatus Löffler, 1963 represented as Eucyclops (Breviramocyclops) breviramatus Löffler, 1963 (status source)
Eucyclops bryophilus Lindberg, 1950 represented as Eucyclops (Subterrocyclops) bryophilus Llindberg, 1950 (source of synonymy)
Eucyclops chilensis Löffler, 1961 (additional source)
Eucyclops ciliatus (Sars G.O., 1909) represented as Eucyclops (Ciliocyclops) ciliatus (Sars G.O., 1909) (new combination reference)
Eucyclops cognatus Kiefer, 1929 accepted as Eucyclops euacanthus (Sars G.O., 1909) represented as Eucyclops euacanthus euacanthus (Sars G.O., 1909) represented as Eucyclops (Denticyclops) euacanthus (Sars G.O., 1909) (source of synonymy)
Eucyclops congolensis Lindberg, 1951 accepted as Eucyclops (Macrurocyclops) madagascariensis (Kiefer, 1926) (source of synonymy)
Eucyclops crassispinosus Kiefer, 1932 represented as Eucyclops (Sarsicyclops) crassispinosus Kiefer, 1932 (source of synonymy)
Eucyclops delachauxi (Kiefer, 1925) represented as Eucyclops (Subterrocyclops) delachauxi (Kiefer, 1925) (source of synonymy)
Eucyclops delongi Alekseev, Abramova & Chaban, 2019 represented as Eucyclops (Speratocyclops) delongi Alekseev, 2019 (new combination reference)
Eucyclops dubius (Sars G.O., 1909) represented as Eucyclops (Macrurocyclops) dubius (Sars G.O., 1909) (source of synonymy)

 Taxonomic remark

 for Eucyclops (Denticyclops) Alekseev, 2019

Denticylops [details]

 Taxonomic remark

 for Eucyclops chilensis Löffler, 1961

Alekseev (2019) gave "1963" as the date for chilensis, and cited a later, 1963 paper of Loffler on Ecuador material ... [details]

 Taxonomic remark

 for Eucyclops chilensis Löffler, 1961

Alekseev (2019) gave "1963" as the date for chilensis, and cited a later, 1963 paper of Loffler on Ecuador material ... [details]

 Taxonomic remark

 for Isocyclops Kiefer, 1957

Alekseev 2019 raised Kiefr's sugenus to genus level [details]