Class [Mammalia] Linnaeus, 1758 - mammals
   Order Pinnipedia Illiger, 1811 - seals, sea lions, and walrus see Parvorder Pinnipedia Illiger, 1811
     1 Family Otariidae Gray, 1825 - eared seals, fur seals, and sea lions
     2 Family Odobenidae Allen, 1880
     3 Family Phocidae Gray, 1821 - true seals