(Utatsusaurus_hataii,(Grippia_longirostris,((Cymbospondylus_petrinus,Mikadocephalus_gracilirostris),(Barracudasaurus_maotaiensis,((Contectopalatus_atavus,(Phalarodon_major,Phalarodon_nordenskioeldii)),(Mixosaurus_cornalianus,Mixosaurus_kuhnschnyderi))))));