(Temnodontosaurus_sp,((Ichthyosaurus_communis,Malawania_anachronus),(Stenopterygius_quadriscissus,(Keilhauia_nui,(Arthropterygius_chrisorum,(Undorosaurus_gorodischensis,(((Acamptonectes_densus,(Ophthalmosaurus_icenicus,Leninia_stellans)),(Mollesaurus_periallus,(Athabascasaurus_bitumineus,(Palvennia_hoybergeti,Cryopterygius_kristiansenae,Janusaurus_lundi)))),((Brachypterygius_extremus,(Maiaspondylus_lindoi,(Aegirosaurus_leptospondylus,Sveltonectes_insolitus))),(Platypterygius_hercynicus,(Caypullisaurus_bonapartei,Platypterygius_australis))))))))));