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 Colubridae Oppel, 1811 - colubrids Subfamily Natricinae Bonaparte, 1838 - water snakes Genus Balanophis Smith, l938