(Neusticosaurus_pusillus,(Nothosaurus_marchicus,(Bobosaurus_forojuliensis,((Augustasaurus_hagdorni,(Yunguisaurus_liae,Pistosaurus_longaevus)),(Rhaeticosaurus_mertensi,(Anningasaura_lymense,(((Stratesaurus_taylori,(Macroplata_tenuiceps,(Avalonnectes_arturi,(Atychodracon_megacephalus,(Archaeonectrus_rostratus,(Eurycleidus_arcuatus,((Maresaurus_coccai,(Meyerasaurus_victor,Borealonectes_russelli)),(Rhomaleosaurus_thorntoni,(Rhomaleosaurus_cramptoni,Rhomaleosaurus_zetlandicus))))))))),(Thalassiodracon_hawkinsii,(Attenborosaurus_conybeari,((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,Pliosaurus_almanzaensis,Pliosaurus_patagonicus,((Pliosaurus_funkei,Pliosaurus_carpenteri),(Pliosaurus_cf_kevani,Pliosaurus_kevani)),(Makhaira_rossica,(Kronosaurus_queenslandicus,DORK_G_1_2,Megacephalosaurus_eulerti,Brachauchenius_lucasi,Brachauchenius_MNA_V9433,QM_f51291,Sachicasaurus_vitae,Kronosaurus_boyacensis,Acostasaurus_pavachoquensis,(Stenorhynchosaurus_munozi,Luskhan_itilensis)))))))))))))),(Eoplesiosaurus_antiquior,(Plesiosaurus_dolichodeirus,(Eretmosaurus_rugosus,Westphaliasaurus_simonsensii,((Seelyosaurus_guilelmiimperatori,(Microcleidus_tournemirensis,(Microcleidus_brachypterygius,Microcleidus_homalospondylus))),(Plesiopterys_wildi,((Tricleidus_seeleyi,Pantosaurus_striatus,Plesiosaurus_manselii,(Cryptoclidus_eurymerus,(Kimmerosaurus_langhami,Tatenectes_laramiensis)),(Muraenosaurus_leedsii,Picrocleidus_beloclis),(Djupedalia_engeri,Spitrasaurus_spp,(Colymbosaurus_trochanterius,Abyssosaurus_nataliae))),((Brancasaurus_brancai,Gronausaurus_wegneri,Lagenanectes_richterae,((Umoonasaurus_demoscyllus,Nichollssaura_borealis,Vectocleidus_pastorum,(Leptocleidus_capensis,Leptocleidus_superstes)),(Edgarosaurus_muddi,(Palmulasaurus_quadratus,((Pahasapasaurus_haasi,(Thililua_longicollis,(Plesiopleurodon_wellesi,Richmond_pliosaur,Sulcusuchus_erraini))),(Manemergus_anguirostris,(((Dolichorhynchops_tropicensis,(Polycotylus_latipinnis,Eopolycotylus_rankini)),(Trinacromerum_bentonianum,Mauriciosaurus_fernandezi)),(Dolichorhynchops_osborni,(Dolichorhynchops_bonneri,Georgiasaurus_penzensis,Dolichorhynchops_ROM_29010,Dolichorhynchops_herschelensis))))))))),(Speeton_clay_plesiosaurian,Wapuskanectes_betsynichollsae,Futabasaurus_suzukii,Callawayasaurus_colombiensis,Eromangasaurus_australis,Libonectes_morgani,Hydrotherosaurus_alexandrae,Nakonanectes_bradti,Albertonectes_vanderveldei,Elasmosaurus_platyurus,Hydralmosaurus_serpentinus,Mauisaurus_haasti,Libonectes_atlasense,Styxosaurus_snowii,Terminonatator_ponteixensis,Tuarangisaurus_keyesi,Kawanectes_lafquenianum,Vegasaurus_molyi,(Zarafasaura_oceanis,(Aristonectes_quiriquinensis,(Kaiwhekea_katiki,Aristonectes_parvidens))))))))))))))))));