Imperium naturae C. Linnaeus, 1758 - nature Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758 Class Mammalia Linnaeus, 1758 - mammals Unguiculata Linnaeus, 1766 Order Primates Linnaeus, 1758 - primates Genus Homo Linnaeus, 1758 - people Homo sapiens Linnaeus, 1758 - human Homo sapiens var. americanus Linnaeus, 1758 - native americans see Population American Indians