Class Mammalia Linnaeus, 1758 - mammals Order Primates Linnaeus, 1758 - primates Family Hominidae Gray, 1825 1 Genus Gorilla Geoffroy Saint-Hilaire, 1852 - gorilla 2 Genus Homo Linnaeus, 1758 - people 3 Genus Pan Oken, 1816 - chimpanzees 4 Genus Pongo Lacépède, 1799 - orangutan