Serpentes see Suborder Serpentes Linnaeus, 1758 Alethinophidia Nopcsa, 1923 see Infraorder Alethinophidia Nopcsa, 1923 Afrophidia Vidal, Delmas & Hedges, 2007 Family Natricidae Boettger, 1883 see Subfamily Natricinae Bonaparte, 1838