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Temporal range: 55.8–0 Ma
Killerwhales jumping.jpg
The killer whale (O. orca) is the only extant member of the genus
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Infraorder: Cetacea
Family: Delphinidae
Genus: Orcinus
Fitzinger, 1860[1]

Orcinus is a genus of oceanic dolphin comprising four species: O. paleorca, O. citoniensis, O. meyeri, and O. orca, of which only one (O. orca, e.g., the killer whale) is extant.[2]


  1. ^ "Orcinus Fitzinger, 1860". Integrated Taxonomic Information System. Retrieved 29 August 2017. 
  2. ^ a b Orcinus at fossilworks.org (retrieved 29 August 2017)