(Temnodontosaurus_spp,(Ichthyosaurus_sp,(Hauffiopteryx_typicus,(Stenopterygius_quadriscissus,(Stenopterygius_aaleniensis,(Chacaicosaurus_cayi,(((Gengasaurus_nicosiai,(Acamptonectes_densus,(Mollesaurus_periallus,(Ophthalmosaurus_icenicus,Ophthalmosaurus_natans)))),((Arthropterygius_volgensis,(Arthropterygius_thalassonotus,(Arthropterygius_lundi,(Arthropterygius_chrisorum,Arthropterygius_hoybergeti)))),(Nannopterygius_borealis,(Thalassodrace_etchesi,(Nannopterygius__saveljeviensis,(Nannopterygius_enthekiodon,Nannopterygius__yasykovi)))))),((Muiscasaurus_catheti,(Leninia_stellans,(Sveltonectes_insolitus,(Athabascasaurus_bitumineus,(Platypterygius_americanus,((Platypterygius_sachicarum,(Caypullisaurus_bonapartei,(Acuetzpalin_carranzai,((Grendelius_zhuravlevi,(Grendelius_mordax,(Grendelius_pseudoscythicus,Grendelius_alekseevi))),(Undorosaurus_kielanae,(Undorosaurus_gorodischensis,Undorosaurus_nessovi)))))),(Platypterygius_australis,(Simbirskiasaurus_birjukovi,(Platypterygius_platydactylus,(Plutoniosaurus_bedengensis,(Maiaspondylus_lindoei,(Platypterygius_hercynicus,Sisteronia_seeleyi)))))))))))),(Brachypterygius_extremus,Aegirosaurus_leptospondylus)))))))));