Ophidia Brongniart, 1800
   Serpentes see Suborder Serpentes Linnaeus, 1758
     Alethinophidia Nopcsa, 1923 see Infraorder Alethinophidia Nopcsa, 1923
       1 Anilioidea Stejneger, 1907
       2 Uropeltoidea Müller, 1831
       3 Henophidia Hoffstetter, 1939 see Parvorder Henophidia Hoffstetter, 1939
       4 Caenophidia Hoffstetter, 1939