Squamata Oppel 1811 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval.
see Order Squamata Oppel, 1811
Episquamata Vidal & Hedges, 2005
Toxicofera Vidal & Hedges, 2005
Serpentes
see Suborder Serpentes Linnaeus, 1758
Family Xenotyphlopidae Vidal, Vences, Branch & Hedges, 2010 [monotypic]
Genus Xenotyphlops Wallach & Ineich, 1996