Simolestes_voraxArchaeonectrus_rostratusAristonectes_parvidensAttenborosaurus_conybeariAugustasaurus_hagdorniMarmornectes_candrewiNHMUK_49202NHMUK_R2439Brachauchenius_lucasiBrancasaurus_brancaiCallawayasaurus_colombiensisCymatosaurusCryptoclidus_eurymerusDolichorhynchops_herschelensisDolichorhynchops_osborniEdgarosaurus_muddiElasmosaurus_platyurusEopolycotylus_rankiniEromangasaurus_australisEurycleidus_arcuatusFHSMVP321Hauffiosaurus_longirostrisHauffiosaurus_tomistomimusHauffiosaurus_zanoniHydrorion_brachypterygiusHydrotherosaurus_alexandraeKaiwhekea_katikiKimmerosaurus_langhamiKronosaurus_queenslandicusLeptocleidus_capensisLeptocleidus_superstesLibonectes_morganiLiopleurodon_feroxMacroplata_tenuicepsManemergus_anguirostrisMaresaurus_coccaiMicrocleidus_homalospondylusMuraenosaurus_leedsiiNichollssaura_borealisOccitanosaurus_tournemirensisOUMNH_J_dot_02247Stratesaurus_tayloriOUMNH_J_dot_28585Palmulasaurus_quadratusPeloneustes_philarchusPlesiopleurodon_wellesiPlesiosaurus_dolichodeirusPlesiosaurus_macrocephalusPliosaurus_andrewsiPliosaurus_brachydeirusPliosaurus_brachyspondylusPolycotylus_latipinnisQMF_18041Rhomaleosaurus_megacephalusMeyerasaurus_victorRhomaleosaurus_zetlandicusSeeleyosaurus_guilelmiimperatorisSimosaurus_gaillardotiStyxosaurus_snowiiTerminonatator_pontiexensisThalassiodracon_hawkinsiiThalassomedon_haningtoniThililual_ongicollisTricleidus_seeleyiTrinacromerum_bentonianumUmoonasaurus_demoscyllusPistosaurus_skullPistosaurus_postcraniumYunguisaurus_liaeBobosaurus_forojuliensisLEICT_G1_dot_2002NHMUK_R16330Speeton_taxonHydralmosaurus_serpentinusRhomaleosaurus_cramptoniRhomaleosaurus_thorntoniAvalonnectes_arturiPlesiopterys_wildiiLincoln_taxonGolden_Cap_taxonLEICT_G18_dot_1996Muraenosaurus_platyclisNHMUK_R_dot_2861NHMUK_R_dot_2864Vinialesaurus_caroliGallardosaurus_iturraldeiPahasapasaurus_haasiDolichorhynchops_bonneriLeptocleidus_clemaiTMP_95_dot_87_dot_01Wapuskanectes_betsynichollsaeCM_Zfr_145CM_Zfr_115Futabasaurus_suzukiiTuarangisaurus_keyesiTatenectes_laramiensisPantosaurus_striatusMNHN_A_dot_C_dot_8592Picrocleidus_beloclisEoplesiosaurus_antiquiorBorealonectes_russelliColymbosaurus_trochanteriusEretmosaurus_rugosusWestphaliasaurus_simonsensiiMIWG_1997_dot_302Cimoliosaurus_valdensisZarafasaura_oceanisArminisaurus_schubertiOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Sachs_et_Kear_inpressa