Class Reptilia Linnaeus, 1758 - reptiles
   Subclass Lepidosauria Duméril & Bibron, 1839
     Order Squamata Oppel, 1811
       Suborder Ophidia Latreille, 1804
         Superfamily Henophidia Hoffstetter, 1939
           Family Xenopeltidae Bonaparte, 1845 - sunbeam snakes