Ophidia Brongniart, 1800 Serpentes see Suborder Serpentes Linnaeus, 1758 Alethinophidia Nopcsa, 1923 see Infraorder Alethinophidia Nopcsa, 1923 Caenophidia Hoffstetter, 1939 Viperoidea Oppel, 1811 see Superfamily Colubroidea Oppel, 1811 Family Viperidae Oppel, 1811 - vipers and pit vipers