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
       01 Genus Phoca Linnaeus, 1758 - harbor, ringed, harp, and ribbon seals
       02 Genus Halichoerus Nilsson, 1820 - gray seal
       03 Genus Erignathus Gill, 1866 - bearded seal
       04 Genus Lobodon Gray, 1844 - crabeater seal
       05 Genus Ommatophoca Gray, 1844 - Ross seal
       06 Genus Hydrurga Gistel, 1848 - leopard seal
       07 Genus Leptonychotes Gill, 1872 - Weddell seal
       08 Genus Monachus Fleming, 1822 - monk seals
       09 Genus Mirounga Gray, 1827 - elephant-seals
       10 Genus Cystophora Nilsson, 1820 - hooded seal