Pinnipedia unranked_familia_authority = Illiger, 1811 subdivision_ranks = Families (Family (biology)) subdivision = Odobenidae (Walrus) (walruses) Otariidae (Eared seal) (fur seals and sea lions) Phocidae (Earless seal) (true seals)
Pinnipeds (from Latin pinna, wing or fin, and ped-, foot) or fin-footed mammals are a widely distributed and diverse group of semi-aquatic marine mammals comprising the families Odobenidae (the walrus), Otariidae (eared seals, including sea lions and fur seals), and Phocidae (earless seals).
Fossil Range: Late Oligocene - Recent
Regnum: Animalia
Phylum: Chordata (Chordate)
Subphylum: Vertebrata (Vertebrate)
Classis: Mammalia
Ordo: Carnivora
Subordo: Caniformia
source: wikipedia.org