Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Reptilia Linnaeus, 1758 - reptiles Subclass Lepidosauria Duméril & Bibron, 1839 Order Squamata Oppel, 1811 Suborder Serpentes Linnaeus, 1758 - snakes Family †Nigeropheidae Rage, 1975 see Family Nigerophiidae Rage, 1975