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 Colubridae Oppel, 1811 - colubrids
           Subfamily Colubrinae Oppel, 1811
             Genus Orthriophis Utiger, Helfenberger, Schätti, Schmidt, Ruf & Ziswiler, 2002