Class [Mammalia] Linnaeus, 1758 - mammals
   Order Pinnipedia Illiger, 1811 - seals, sea lions, and walrus see Parvorder Pinnipedia Illiger, 1811
     Family Otariidae Gray, 1825 - eared seals, fur seals, and sea lions
       Genus Eumetopias Gill, 1866 - northern sea lion, Steller sea lion
         1 Eumetopias jubatus (Schreber, 1776) - Steller sea lion