Ophidia Brongniart, 1800
   Serpentes see Suborder Serpentes Linnaeus, 1758
     Alethinophidia Nopcsa, 1923 see Infraorder Alethinophidia Nopcsa, 1923
       Caenophidia Hoffstetter, 1939
         Colubroidea Oppel, 1811
           Family Colubridae Oppel, 1811 - colubrids