(outgroup,(Thaisaurus,(Claudiosaurus,((Hupesuchus,(Utatsusaurus,((Parvinatator,(Quasianosteosaurus,((Wimanius,(Mixosaurus_maotaiensis,((Mixosaurus_panxianensis,(Mixosaurus_cornalianus,Mixosaurus_kuhnschnyderi)),(Contectopalatus_atavus,(Phalarodon_callawayi,(Phalarodon_fraasi,Phalarodon_major)))))),((Toretocnemus,Qianichthyosaurus),((Phantomosaurus,(Cymbospondylus_petrinus,Cymbospondylus_buchseri)),(Merriamosaurus,(Besanosaurus,(Guizhouichthyosaurus,(Shastasaurus,(Shonisaurus,(Mikadocephalus_gracilirostris,(Callawayia,(Californosaurus,(Macgowania,(Hudsonelpidia,(Temnodontosaurus_platyodon,(Temnodontosaurus_burgundiae,(Suevoleviathan,(Platypterygius,((Leptonectes,(Eurhinosaurus,Excalibosaurus)),(Ichthyosaurus,(Stenopterygius,OPTHALMOSAURIA)))))))))))))))))))))),(Xinminosaurus,(Grippia_longirostris,Chaohusaurus))))),(Petrolacosaurus,(Thadeosaurus,(Araeoscelis,Hovasaurus)))))));