(Yunguisaurus_liae,(Pistosaurus_postcranium,Pistosaurus_skull,(Augustasaurus_hagdorni,(Bobosaurus_forojuliensis,(Anningasaura_lymense,Stratesaurus_taylori,Eoplesiosaurus_antiquior,(Macroplata_tenuiceps,(Avalonnectes_arturi,(Eurycleidus_arcuatus,Meyerasaurus_victor,Atychodracon_megacephalus,Archaeonectrus_rostratus,(Maresaurus_coccai,Borealonectes_russelli),(Rhomaleosaurus_cramptoni,Rhomaleosaurus_zetlandicus,Rhomaleosaurus_thorntoni)))),(Thalassiodracon_hawkinsii,(Attenborosaurus_conybeari,(Rhaeticosaurus_mertensi,(Hauffiosaurus_longirostris,Hauffiosaurus_tomistomimus,Hauffiosaurus_zanoni),(Anguanax_zignoi,(Marmornectes_candrewi,(Peloneustes_philarchus,(Pliosaurus_andrewsi,(Simolestes_vorax,(Liopleurodon_ferox,(Pliosaurus_westburyensis,Pliosaurus_brachydeirus,Pliosaurus_macromerus,Pliosaurus_brachyspondylus,Gallardosaurus_iturraldei,Pliosaurus_rossicus,Pliosaurus_irgisensis,Makhaira_rossica,Luskhan_itilensis,Pliosaurus_almanzaensis,Pliosaurus_patagonicus,((Pliosaurus_funkei,Pliosaurus_carpenteri),(Pliosaurus_cf_kevani,Pliosaurus_kevani)),(Stenorhynchosaurus_munozi,(Kronosaurus_queenslandicus,DORK_G_1_2,Megacephalosaurus_eulerti,Brachauchenius_lucasi,Brachauchenius_MNA_V9433,QM_f51291)))))))))))),(Plesiosaurus_dolichodeirus,(Westphaliasaurus_simonsensii,((Plesiopterys_wildi,(Eretmosaurus_rugosus,(Seelyosaurus_guilelmiimperatoris,(Microcleidus_tournemirensis,(Microcleidus_brachypterygius,Microcleidus_homalospondylus))))),((Pantosaurus_striatus,Plesiosaurus_mansellii,(Cryptoclidus_eurymerus,(Kimmerosaurus_langhami,Tatenectes_laramiensis)),(Tricleidus_seeleyi,(Muraenosaurus_leedsii,Picrocleidus_beloclis)),(Djupedallia_engeri,Spitrasaurus_spp,(Colymbosaurus_trochanterius,Abyssosaurus_nataliae))),(((Umoonasaurus_demoscyllus,Nichollssaura_borealis,Vectocleidus_pastorum,Brancasaurus_brancai,(Leptocleidus_capensis,Leptocleidus_superstes)),(Edgarosaurus_muddi,Palmulasaurus_quadratus,Pahasapasaurus_haasi,Thililua_longicollis,(Plesiopleurodon_wellesi,Richmond_pliosaur),(Polycotylus_latipinnis,Trinacromerum_bentonianum,(Dolichorhynchops_osborni,Dolichorhynchops_bonneri)))),(Gronausaurus_wegneri,Speeton_clay_plesiosaurian,Eromangasaurus_australis,((Wapuskanectes_betsynichollsae,Callawayasaurus_colombiensis),(Libonectes_morgani,Hydrotherosaurus_alexandrae,(Futabasaurus_suzukii,(Kaiwhekea_katiki,Aristonectes_parvidens)))))))))))))));