(Yunguisaurus_liae,(Pistosaurus_postcranium,Pistosaurus_skull,(Augustasaurus_hagdorni,(Bobosaurus_forojuliensis,(Eopleiosaurus_antiquior,(((Stratesaurus_taylori,(Avalonnectes_arturi,(Anningasaura_lymense,(Rhomaleosaurus_megacephalus,(Macroplata_tenuiceps,(Archaeonectrus_rostratus,(Meyerasaurus_victor,((Eurycleidus_arcuatus,(Rhomaleosaurus_thorntoni,(Rhomaleosaurus_cramptoni,Rhomaleosaurus_zetlandicus))),(Maresaurus_coccai,Borealonectes_russelli))))))))),(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))))),((Brancasaurus_brancai,(Vectocleidus_pastorum,((Nichollssaura_borealis,(Umoonasaurus_demoscyllus,(Leptocleidus_capensis,Leptocleidus_superstes))),(Edgarosaurus_muddi,(Plesiopleurodon_wellesi,Richmond_pliosaur))))),(Gronausaurus_wegneri,(Speeton_Clay_plesiosaurian,Eromangasaurus_australis,((Wapuskanectes_betsynichollsae,Callawayasaurus_colombiensis),((Futabasaurus_suzukii,(Kaiwhekea_katiki,Aristonectes_parvidens)),(Libonectes_morgani,Hydrotherosaurus_alexandrae))))))))))))),(Thalassiodracon_hawkinsii,((Hauffiosaurus_longirostris,Hauffiosaurus_tomistomimus,Hauffiosaurus_zanoni),(Attenborosaurus_conybeari,(Anguanax_zignoi,(Marmornectes_candrewi,(Peloneustes_philarchus,(Pliosaurus_andrewsi,(Simolestes_vorax,(Liopleurodon_ferox,(Gallardosaurus_iturraldei,((Pliosaurus_westburyensis,(((Pliosaurus_funkei,Pliosaurus_carpenteri),(Pliosaurus_cf_kevani,Pliosaurus_kevani)),(Pliosaurus_brachydeirus,Pliosaurus_macromerus,Pliosaurus_brachyspondylus,Pliosaurus_rossicus,Pliosaurus_irgisensis))),(Kronosaurus_queenslandicus,QM_F51291,Brachauchenius_Villa_Leyva,YKM_B6102,(Polyptychodon_sp,Megacephalosaurus_eulerti,Brachauchenius_lucasi,Brachauchenius_MNA)))))))))))))))))));