Ophidia Brongniart, 1800
   Serpentes see Suborder Serpentes Linnaeus, 1758
     Alethinophidia Nopcsa, 1923 see Infraorder Alethinophidia Nopcsa, 1923
       Caenophidia Hoffstetter, 1939
         1 Acrochordoidea Bonaparte, 1831
         2 Viperoidea Oppel, 1811 see Superfamily Colubroidea Oppel, 1811
         3 Homalopsoidea Jan, 1863 [monotypic] see Superfamily Colubroidea Oppel, 1811
         4 Elapoidea Boie, 1827 see Superfamily Colubroidea Oppel, 1811
         5 Colubroidea Oppel, 1811