(Yunguisaurus_liae,(Pistosaurus_postcranium,Pistosaurus_skull,Augustasaurus_hagdorni,Bobosaurus_forojuliensis,Stratesaurus_taylori,Eoplesiosaurus_antiquior,(Macroplata_tenuiceps,Anningasaura_lymense,Avalonnectes_arturi,Eurycleidus_arcuatus,Meyerasaurus_victor,Atychodracon_megacephalus,Archaeonectrus_rostratus,(Maresaurus_coccai,Borealonectes_russelli),(Rhomaleosaurus_thorntoni,(Rhomaleosaurus_cramptoni,Rhomaleosaurus_zetlandicus))),(Thalassiodracon_hawkinsii,((Hauffiosaurus_longirostris,Hauffiosaurus_tomistomimus,Hauffiosaurus_zanoni),(Attenborosaurus_conybeari,(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,((Pliosaurus_funkei,Pliosaurus_carpenteri),(Pliosaurus_cf_kevani,Pliosaurus_kevani)),(Luskhan_itilensis,(Stenorhynchosaurus_munozi,(Kronosaurus_queenslandicus,Polyptychodon_sp,Megacephalosaurus_eulerti,Brachauchenius_lucasi,Brachauchenius_MNA,QM_F51291))))))))))))),(Plesiosaurus_dolichodeirus,(Eretmosaurus_rugosus,Westphaliasaurus_simonsensii,(Seelyosaurus_guilelmiimperatoris,(Microcleidus_tournemirensis,(Microcleidus_brachypterygius,Microcleidus_homalospondylus))),(Plesiopterys_wildi,(((Cryptoclidus_eurymerus,(Kimmerosaurus_langhami,Tatenectes_laramiensis)),(Tricleidus_seeleyi,(Muraenosaurus_leedsii,Picrocleidus_beloclis)),((Pantosaurus_striatus,Plesiosaurus_mansellii),(Djupedallia_engeri,Spitrasaurus_spp,(Colymbosaurus_trochanterius,Abyssosaurus_nataliae)))),((Vectocleidus_pastorum,Brancasaurus_brancai,(Umoonasaurus_demoscyllus,Nichollssaura_borealis,Leptocleidus_capensis,Leptocleidus_superstes),(Edgarosaurus_muddi,(Thililua_longicollis,(Palmulasaurus_quadratus,Pahasapasaurus_haasi,((Plesiopleurodon_wellesi,Richmond_pliosaur),(Polycotylus_latipinnis,(Trinacromerum_bentonianum,(Dolichorhynchops_osborni,Dolichorhynchops_bonneri)))))))),(Gronausaurus_wegneri,Speeton_Clay_plesiosaurian,Wapuskanectes_betsynichollsae,Callawayasaurus_colombiensis,Eromangasaurus_australis,(Libonectes_morgani,Hydrotherosaurus_alexandrae,(Futabasaurus_suzukii,(Kaiwhekea_katiki,Aristonectes_parvidens)))))))))));