(Claudiosaurus_germaini,(Petrolacosaurus_kansensis,(Youngina_capensis,((Askeptosaurus_italicus,(TMP_88_dot_99_dot_21,(Oregon_thalattosaur,(Gunakadeit_joseeae,(((Agkistrognathus_campbelli,Nectosaurus_halius),((Koessen_thalattosaur,(Clarazia_schinzi,Hescheleria_rubeli)),(Paralonectes_merriami,(Concavispina_biseridens,(Xinpusaurus_xingyiensis,(Xinpusaurus_kohi,Xinpusaurus_suni)))))),(Thalattosaurus_alexandrae,Thalattosaurus_borealis)))))),(Endennasaurus_acutirostris,(Anshunsaurus_huangnihensis,(Miodentosaurus_brevis,(Anshunsaurus_huangguoshuensis,Anshunsaurus_wushaensis))))))));