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 Ferae Linnaeus, 1758 see Grandorder Ferae Linnaeus, 1758 Genus Erinaceus Linnaeus, 1758 - Eurasian hedgehogs