Squamata Oppel 1811 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval. see Order Squamata Oppel, 1811
   Episquamata Vidal & Hedges, 2005
     Toxicofera Vidal & Hedges, 2005
       Serpentes see Suborder Serpentes Linnaeus, 1758
         Family Boidae Gray, 1825 [paraphyletic?] - pythons and boas
           Subfamily Boinae Gray, 1825 - boas see Family Boidae Gray, 1825
             Genus Eunectes Wagler, 1830