Serpentes see Suborder Serpentes Linnaeus, 1758
Count: [f] 29f;8g;8s [8 Oct 2016]
   Alethinophidia Nopcsa, 1923 see Infraorder Alethinophidia Nopcsa, 1923
  Count: [f] 24f;8g;8s [8 Oct 2016]
     1 Henophidia Hoffstetter, 1939 [paraphyletic] see Parvorder Henophidia Hoffstetter, 1939
    Count: [f] 16f;3s [8 Oct 2016]
     1.n Caenophidia Hoffstetter, 1939
    Count: [f] 8f;8g;5s [8 Oct 2016]