| Nominal Species (n = 34) | Present allocation (n = 34) | Ref. |
|---|---|---|
| Halicyclops aberrans Rocha, 1983 | Halicyclops aberrans | 19 |
| Halicyclops antiguaensis Herbst, 1983 | Halicyclops antiguaensis | 19 |
| Euryte bellatula Humes, 1991 | Euryte bellatula | 3477 |
| Cyclops bicuspidatus Claus, 1857 | Cyclops bicuspidatus | 19 |
| Halicyclops bowmani Rocha & Iliffe, 1993 | Halicyclops bowmani | 19 |
| Halicyclops brevispinosus Herbst, 1952 | Halicyclops brevispinosus | 19 |
| Halicyclops caneki Fiers, 1995 | Halicyclops caneki | 19 |
| Halicyclops cenoticola Rocha, 1998 | Halicyclops cenoticola | 19 |
| Halicyclops clarkei Herbst, 1982 | Halicyclops clarkei | 19 |
| Halicyclops coulli Herbst, 1977 | Halicyclops coulli | 19 |
| Halicyclops exiguus Kiefer, 1934 | Halicyclops exiguus | 19 |
| Halicyclops fosteri Wilson, 1958 | Halicyclops fosteri | 19 |
| Halicyclops herbsti Rocha & Iliffe, 1993 | Halicyclops herbsti | 19 |
| Halicyclops hurlberti Rocha, 1991 | Halicyclops hurlberti | 19 |
| Halicyclops incognitus Herbst, 1962 | Halicyclops incognitus | 19 |
| Halicyclops laciniatus Herbst, 1987 | Halicyclops laciniatus | 19 |
| Cyclops lacustris Sars, 1863 | Cyclops lacustris | 19 |
| Halicyclops laminifer Herbst, 1982 | Halicyclops laminifer | 19 |
| Euryte longicauda Philippi, 1843 | Euryte longicauda | 19 |
| Halicyclops maculatus Rocha & Hakenkamp, 1993 | Halicyclops maculatus | 19 |
| Halicyclops neglectus Kiefer, 1935 | Halicyclops neglectus | 19 |
| Mesocyclops nicaraguensis Herbst, 1960 | Mesocyclops edax | 75097 |
| Halicyclops oryzanus Defaye & Dussart, 1988 | Halicyclops oryzanus | 19 |
| Acanthocyclops plattensis Pennak & Ward, 1985 | Acanthocyclops vernalis | 75097 |
| Tropocyclops prasinus mexicanus Kiefer, 1938 | Tropocyclops prasinus | 90008 |
| Halicyclops reidae Rocha & Hakenkamp, 1993 | Halicyclops reidae | 19 |
| Halicyclops similis Kiefer, 1935 | Halicyclops similis | 19 |
| Cyclops strenuus Fischer, 1851 | Cyclops strenuus | 19 |
| Halicyclops tetracanthus Rocha, 1995 | Halicyclops tetracanthus | 19 |
| Cyclops thomasi Forbes, 1882 | Diacyclops thomasi | 75097 |
| Halicyclops venezuelaensis Lindberg, 1954 | Halicyclops venezuelaensis | 19 |
| Cyclops vernalis Fischer, 1853 | Cyclops vernalis | 19 |
| Cyclops vicinus Ulyanin, 1875 | Cyclops vicinus | 19 |
| Halicyclops ytororoma Lotufo & Rocha, 1993 | Halicyclops ytororoma | 19 |