Phylum Chordata Bateson, 1885 - chordates Count: - Subphylum Vertebrata Cuvier, 1812 - vertebrates Count: - Class Mammalia Linnaeus, 1758 - mammals Count: [*] 3o13f31g50s 1 Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Infraorder Cetacea Brisson, 1762 Count: [*] 9f23g40s 2 Order Carnivora Bowdich, 1821 - carnivores Count: [*] 4f8g10s 3 Order Sirenia Gill, 1872 - sea cows Count: -