Pistosaurus_longaevusPlesiosaurus_dolichodeirusMicrocleidus_homalospondylusOccitanosaurus_tournemirensisLeptocleidus_capensisLeptocleidus_superstesMuraenosaurus_leedsiiCryptoclidus_eurymerusKimmerosaurus_langhamiTricleidus_seeleyBrachauchenius_lucasiEdgarosaurus_mudiiDolichorhynchops_herschelensisBrancasaurus_brancaiCallawayosaurus_colombiensisLibonectes_morganiElasmosaurs_platyurusThalassomedon_haningtoniStyxosaurus_snowiiHydralmosaurus_serpentinusHydrotherosaurus_alexandraeAphrosaurus_furlongiMorenosaurus_stockiTuarangisaurus_keyesiMauisaurus_haastiTerminonatator_ponteixensisTMP_2007_dot_011_dot_0001Wapuskanectes_betsynichollsaeAristonectes_parvidensEromangasaurus_carinognathusLibonectes_atlaesnseFutabasaurus_suzukiiOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Kubo_etal_2012a