(Temnodontosaurus_sp,((Malawania_anachronus,Ichthyosaurus_communis),(Stenopterygius_quadriscissus,(Mollesaurus_periallus,((Baptanodon_natans,(Gengasaurus_nicosiai,((Ophthalmosaurus_icenicus,(Pervushovisaurus_bannovkensis,(Leninia_stellans,(Acamptonectes_densus,Athabascasaurus_bitumineus)))),(Undorosaurus_gorodischensis,Keilhauia_nui)))),(Palvennia_hoybergeti,((Cryopterygius_kristiansenae,((Brachypterygius_extremus,((Caypullisaurus_bonapartei,(Platypterygius_australis,(Platypterygius_hercynicus,Muiscasaurus_catheti))),(Platypterygius_sachicarum,Simbirkiasaurus_birjukovi))),(Sveltonectes_insolitus,(Maiaspondylus_lindoei,Aegirosaurus_leptospondylus)))),(Janusaurus_lundi,(Arthropterygius_chrisorum,Arthropterygius_novsp)))))))));