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