(Petrolacosaurus,(Claudiosaurus,((Utatsusaurus,Parvinatator),(Xinminosaurus,((Grippia,TMP_89_dot_127_dot_3),(Chaohusaurus,(Cymbospondylus,((Mixosaurus,Phalarodon),(Besanosaurus,Shastasaurus,Shonisaurus,Callawayia,Guizhouichthyosaurus,Torectocnemus,Qianichyosaurus,(Californosaurus,(Macgowania,(Hudsonelpidia,(Suevoleviathan,(Temnodontosaurus,(Leptonectes,(Excalibosaurus,Eurhinosaurus)),(Stenopterygius,(Ichthyosaurus,(Brachypterygius,Aegirosaurus,Maiaspondylus,(Ophthalmosaurus,(Caypullisaurus,Platypterygius)))))))))))))))))));