[Kingdom] Animalia Linnaeus, 1758 - animals Grade Enterozoa Grade Cœlomata Phylum Vertebrata (Lamarck, 1801) Branch Craniata Linnaeus, 1758 Grade Gnathostoma Subgrade Pentadactyla lipobranchia Branch Monocondyla Class Reptilia Linnaeus, 1758 - reptiles Subclass Lepidosauria Duméril & Bibron, 1839 Branch Ophidia Latreille, 1804 Order Opoderodonta Genus Typhlops Oppel, 1811