[Kingdom] Animalia Linnaeus, 1758 - animals Grade Enterozoa Grade Cœlomata Phylum Vertebrata Lamarck, 1801 see Infraphylum Vertebrata Lamarck, 1801 Branch Craniata Linnaeus, 1758 Grade Gnathostoma Subgrade Pentadactyla lipobranchia Branch Amphicondyla [monotypic] Class Mammalia Linnaeus, 1758 - mammals Grade Placentalia Owen, 1837 see Cohort Placentalia Owen, 1837 Subclass Discoplacentalia Order Simiæ Genus Homo Linnaeus, 1758 - people