Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801 Class Mammalia Linnaeus, 1758 - mammals Family †Gondwanatheriidae Bonaparte, 1986 see Family Sudamericidae Scillato-Yané & Pascual, 1984