Class [Mammalia] Linnaeus, 1758 - mammals
Order Pinnipedia Illiger, 1811 - seals, sea lions, and walrus
see Parvorder Pinnipedia Illiger, 1811
Family Phocidae Gray, 1821 - true seals
Genus Phoca Linnaeus, 1758 - harbor, ringed, harp, and ribbon seals
Phoca caspica Gmelin, in Linnaeus, 1788 - Caspian seal
see Pusa caspica (Gmelin, 1788)