Class Mammalia Linnaeus, 1758 - mammals
Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises
see Infraorder Cetacea Brisson, 1762
Suborder Mysticeti Cope, 1891 - baleen whales
see Parvorder Mysticeti Cope, 1891
Family Eschrichtiidae Ellerman & Morrison-Scott, 1951 - gray whales
Genus Eschrichtius Gray, 1864 - gray whale
Eschrichtius robustus (Lilljeborg, 1861) - gray whale