''Kogia'' is a genus of

toothed whale The toothed whales (also called odontocetes, systematic name Odontoceti) are a parvorder of cetaceans that includes dolphins, porpoises, and all other whales with teeth, such as beaked whales and the sperm whales. 73 species of toothed wha ...

s within the superfamily

Physeteroidea Physeteroidea is a superfamily (taxonomy), superfamily that includes three extant taxon, extant species of whales: the sperm whale, in the genus ''Physeter'', and the pygmy sperm whale and dwarf sperm whale, in the genus ''Kogia''. In the past, t ...

comprising two extant and two extinct species from the Neogene: *

Pygmy sperm whale The pygmy sperm whale (''Kogia breviceps'') is one of two extant species in the family Kogiidae in the Physeteroidea, sperm whale superfamily. They are not often sighted at sea, and most of what is known about them comes from the examination of ...

, ''Kogia breviceps'' *

Dwarf sperm whale The dwarf sperm whale (''Kogia sima'') is a sperm whale that inhabits temperate and tropical oceans worldwide, in particular continental shelves and slopes. It was first described by biologist Richard Owen in 1866, based on illustrations by na ...

, ''Kogia sima'' *†''

Kogia pusilla ''Kogia pusilla'' is an extinct species of sperm whale from the Middle Pliocene of Italy. related to the modern-day dwarf sperm whale (''K. sima'') and pygmy sperm whale (''K. breviceps''). It is known from a single skull discovered in 1877, an ...

'', Italy, Middle

Pliocene The Pliocene ( ; also Pleiocene) is the epoch (geology), epoch in the geologic time scale that extends from 5.33 to 2.58Kogia danomurai ''Kogia'' is a genus of toothed whales within the superfamily Physeteroidea comprising two extant and two extinct species from the Neogene: *Pygmy sperm whale, ''Kogia breviceps'' *Dwarf sperm whale, ''Kogia sima'' *†''Kogia pusilla'', Italy ...

Pisco Formation The Pisco Formation is a geologic formation located in Peru, on the southern coastal desert of Ica, Peru, Ica and Arequipa. The approximately thick formation was deposited in the Pisco Basin, spanning an age from the Miocene, Late Miocene up to t ...

, Peru, latest

Miocene The Miocene ( ) is the first epoch (geology), geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and mea ...

References

Cetacean genera Taxa named by George Robert Gray {{whale-stub