Oi
- Oikopus
Oithona Baird, 1849
- Oithona atlantica Farran, 1908
- Oithona attenuata Farran, 1913
- Oithona brevicornis Giesbrecht, 1891
- Oithona colcarva Bowman, 1975
- Oithona davisae Ferrari and Orsi, 1984
- Oithona decipiens Farran, 1913
- Oithona fallax Farran, 1913
- Oithona fragilis Nishida, 1979
- Oithona frigida Giesbrecht, 1902
- Oithona frigida frigida Giesbrecht, 1902
- Oithona frigida pseudofrigida Rosendorn, 1917
- Oithona hamata Rosendorn
- Oithona hebes Giesbrecht, 1891
- Oithona helgolandica Claus, 1863
- Oithona linearis Giesbrecht, 1891
- Oithona longispina Nishida, Tanaka and Omori, 1977
- Oithona minuta Krichagin, 1877
- Oithona nana Giesbrecht, 1892
- Oithona nobilis Alder & Hancock, 1851
- Oithona oculata Farran, 1913
- Oithona plumifera Baird, 1843
- Oithona rigida Giesbrecht, 1896
- Oithona robusta Giesbrecht, 1891
- Oithona setigera Dana, 1852
- Oithona similis Claus, 1866
- Oithona simplex Farran, 1913
- Oithona spinirostris Claus, 1863
- Oithona tenuis Rosendorn, 1917
- Oithona vivida Farran, 1913
Crustacea → Maxillopoda → Copepoda → Podoplea → Cyclopoida → Oithonidae
Porodica Oithonidae
- Rodovi: Dioithona, Limnoithona, Oithona, Paroithona
Crustacea → Maxillopoda → Copepoda → Podoplea → Cyclopoida