. . . . . . "Chordata" . "Odobenidae" . . . . . . . . "Odobenus rosmarus" . "Walrus" . . . . "Carnivora" . . . "Mammalia" . "Odobenus" . . "Animalia" . . "Odobenus rosmarus (Linnaeus 1758)" . . . "(Linnaeus 1758)" . .