| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Oithona aruensis Früchtl, 1923 |
Northwest Pacific | ||
| Oithona atlantica Farran, 1908 |
Pacific Ocean and the Arctic | ||
| Oithona attenuata Farran, 1913 |
Indo-West Pacific | ||
| Oithona brevicornis Giesbrecht, 1891 |
Indo-West Pacific | ||
| Oithona colcarva Bowman, 1975 |
Atlantic Ocean | ||
| Oithona davisae Ferrari & Orsi, 1984 |
Pacific, Northeast Atlantic, and the Mediterranean | ||
| Oithona decipiens Farran, 1913 |
Northwest Pacific | ||
| Oithona dissimilis Lindberg, 1940 |
Northwest Pacific | ||
| Oithona fallax Farran, 1913 |
Indo-West Pacific | ||
| Oithona fonsecae Ferrari & Bowman, 1980 |
Western Central Atlantic | ||
| Oithona frigida Giesbrecht, 1902 |
Antarctic | ||
| Oithona hebes Giesbrecht, 1891 |
Western Central Atlantic | ||
| Oithona longispina Nishida, Tanaka & Omori, 1977 |
Northwest Pacific | ||
| Oithona nana Giesbrecht, 1892 |
Indo-West Pacific and Western Central Atlantic | ||
| Oithona plumifera Baird, 1843 |
Indo-West Pacific and Western Central Atlantic | ||
| Oithona pseudofrigida Rosendorn, 1917 |
Northwest Pacific | ||
| Oithona rigida Giesbrecht, 1896 |
Northwest Pacific | ||
| Oithona robusta Giesbrecht, 1891 |
Northwest Pacific | ||
| Oithona setigera Dana, 1852 |
Northwest Pacific | ||
| Oithona similis Claus, 1866 |
Arctic, Northern Pacific, Northeast Atlantic and Antarctic | ||
| Oithona simplex Farran, 1913 |
Indo-Pacific and Western Central Atlantic | ||
| Oithona tenuis Rosendorn, 1917 |
Northwest Pacific | ||
| Oithona vivida Farran, 1913 |
Northwest Pacific | ||
| Oithona wellershausi Ferrari, 1982 |
Northwest Pacific |