. . . "Chordata" . . "Mammalia" . . "Pusa sibirica" . . "Pusa" . "(Gmelin 1788)" . "Carnivora" . "Phocidae" . . . . . . . . . . . "Baikal Seal" . . "Pusa sibirica (Gmelin 1788)" . "Animalia" . . .