Order Squamata Oppel, 1811 Suborder Serpentes Linnaeus, 1758 - snakes Infraorder Alethinophidia Nopcsa, 1923 Parvorder Henophidia Hoffstetter, 1939 Superfamily Booidea Gray, 1825 [monotypic] Family Boidae Gray, 1825 - pythons and boas Subfamily Xenapeltinae Rieppel, 1979 see Family Xenopeltidae Bonaparte, 1845