(Rhynchosaurus_articeps,(Stenaulorhynchus_stockleyi,(Rhynchosaurus_spenceri,(Scaphonyx_sulcognathus,(Hyperodapedon_huenei,(Hyperodapedon_mariensis,(Hyperodapedon_gordoni,Hyperodapedon_huxleyi),(Scaphonyx_sanjuanensis,Scaphonyx_fischeri)))))));