This list of dinocephalians is a listing of all species that have ever been included in the clade Pinnipedimorpha.

• The list currently includes ? species.
• ? are considered valid species.
• ? are considered junior synonym.
• ? are considered either nomina dubia or incertae sedis.
• ? are considered invalid species.

Pinnipedia

Otarioidea

Odobenidae

Otariidae

Other otarioideans

Phocoidea

Desmatophocidae

Phocidae

Other phocoideans

Other pinnipedimorphs

• The list currently includes 9 species.
• 9 are considered valid species.

Species	Authority	Synonyms	Status	Notes	Location	Age	Images
Enaliarctos barnesi	Berta, 1991				USA, Oregon Nye Formation Yaquina Formation	Chattian to Burdigalian
Enaliarctos emlongi	Berta, 1991				USA, Oregon Astoria Formation Nye Formation	Burdigalian to Langhian
Enaliarctos mealsi	Mitchell & Tedfordi, 1979				USA, California Jewett Sand Formation	Aquitanian
Enaliarctos mitchelli	Barnes, 1979				USA, California Temblor Formation USA, Oregon Nye Formation	Aquitanian
Enaliarctos tedfordi	Berta, 1991				USA, Oregon Yaquina Formation	Chattian
Pacificotaria hadromma	Barnes, 1992				USA, Oregon Astoria Formation	Burdigalian
Pteronarctos goedertae	Barnes, 1989				USA, Oregon Astoria Formation	Burdigalian to Serravallian
Pteronarctos piersoni	Barnes, 1990				USA, Oregon Astoria Formation	Burdigalian
Puijila darwini	Rybczynski, Dawson & Tedford, 2009				Canada,‭ ‬Nunavut ‬Haughton Formation	Aquitanian