Class Reptilia Linnaeus, 1758 - reptiles Subclass Lepidosauria Duméril & Bibron, 1839 Order Squamata Oppel, 1811 Suborder Ophidia Latreille, 1804 Superfamily Xenophidia see Superfamily Colubroidea Oppel, 1811 Family Viperidae Oppel, 1811 - vipers and pit vipers