(Yunguisaurus_liae,(Pistosaurus_postcranium,Pistosaurus_skull,Augustasaurus_hagdorni,Bobosaurus_forojuliensis,Stratesaurus_taylori,Eopleiosaurus_antiquior,(Anningasaura_lymense,(Macroplata_tenuiceps,(Avalonnectes_arturi,((Eurycleidus_arcuatus,Rhomaleosaurus_megacephalus),(Archaeonectrus_rostratus,(Meyerasaurus_victor,((Maresaurus_coccai,Borealonectes_russelli),(Rhomaleosaurus_thorntoni,(Rhomaleosaurus_cramptoni,Rhomaleosaurus_zetlandicus))))))))),(Thalassiodracon_hawkinsii,((Hauffiosaurus_longirostris,Hauffiosaurus_tomistomimus,Hauffiosaurus_zanoni),(Attenborosaurus_conybeari,(Marmornectes_candrewi,(Peloneustes_philarchus,(Pliosaurus_andrewsi,(Simolestes_vorax,(Liopleurodon_ferox,(Pliosaurus_funkei,Pliosaurus_BRSMG_Cc332,Pliosaurus_brachydeirus,Gallardosaurus_iturraldei,Liopleurodon_rossicus,Pliosaurus_irgisensis,Kronosaurus_MCZ_1285,Brachauchenius_eulerti,Brachauchenius_lucasi,Brachauchenius_MNA_V9433,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),(Djupedalia_engeri,Spitrasaurus_spp,(Colymbosaurus_trochanterius,Abyssosaurus_nataliae))))),((Brancasaurus_brancai,(Umoonasaurus_demoscyllus,Nichollssaura_borealis,Cimoliasaurus_valdensis,MIWG,(Leptocleidus_capensis,Leptocleidus_superstes),(Edgarosaurus_muddi,Palmulasaurus_quadratus),(Pahasapasaurus_haasi,Eopolycotylus_rankini,(Plesiopleurodon_wellesi_1,Richmond_pliosaur,(QM_F18041,Manemergus_anguirostris)),(Dolichorhynchops_tropicensis,(Polycotylus_latipinnis,(Plesiopleurodon_wellesi_2,(Trinacromerum_bentonianum,(Georgiasaurus_penzensis,(Dolichorhynchops_bonneri,(Dolichorhynchops_osborni,(Dolichorhynchops_ROM,Dolichorhynchops_herschelensis))))))))))),(GWWU_A3_B2,(Speeton_Clay_plesiosaurian,(Wapuskanectes_betsynichollsae,(((Futabasaurus_suzukii,Hydrotherosaurus_alexandrae),(Libonectes_morgani,(((CM_Zfr_115,(Morturneria_seymourensis,Kaiwhekea_katiki,Alexandronectes_zealandiensis,(Aristonectes_quiriquinensis,Aristonectes_parvidens))),(Terminonatator_pointeixensis,((AMNH_5835,Styxosaurus_snowii,AMNH_1495),(Albertonectes_vanderveldei,Elasmosaurus_platyurus)))),(Tuarangisaurus_keyesi,Thalassomedon_haningtoni)))),(Callawayasaurus_colombiensis,Eromangasaurus_carinognathus))))))))))))));