Persons, W. S. Street, H. P. Kelley, A. 2022 A long-snouted and long-necked polycotylid plesiosaur from the Late Cretaceous of North America iScience 25 105033 Yunguisaurus_liae Pistosaurus_postcranium Pistosaurus_skull Augustasaurus_hagdorni Bobosaurus_forojuliensis Macroplata_tenuiceps Anningasaura_lymense Stratesaurus_taylori Avalonnectes_arturi Eurycleidus_arcuatus Meyerasaurus_victor Maresaurus_coccai Borealonectes_russelli Atychodracon_megacephalus Archaeonectrus_rostratus Rhomaleosaurus_cramptoni Rhomaleosaurus_zetlandicus Rhomaleosaurus_thorntoni Thalassiodracon_hawkinsii Attenborosaurus_conybeari Plesiosaurus_dolichodeirus Eoplesiosaurus_antiquior Eretmosaurus_rugosus Westphaliasaurus_simonsensii Seelyosaurus_guilelmiimperatoris Microcleidus_tournemirensis Microcleidus_brachypterygius Microcleidus_homalospondylus Plesiopterys_wildi Cryptoclidus_eurymerus Tricleidus_seeleyi Muraenosaurus_leedsii Kimmerosaurus_langhami Pantosaurus_striatus Picrocleidus_beloclis Tatenectes_laramiensis Plesiosaurus_mansellii Colymbosaurus_trochanterius Djupedallia_engeri Spitrasaurus_spp Abyssosaurus_nataliae Umoonasaurus_demoscyllus Nichollssaura_borealis Leptocleidus_capensis Leptocleidus_superstes Hastanectes_valdensis Vectocleidus_pastorum Brancasaurus_brancai Gronausaurus_wegneri Speeton_Clay_plesiosaurian Wapuskanectes_betsynichollsae Futabasaurus_suzukii Callawayasaurus_colombiensis Eromangasaurus_australis Kaiwhekea_katiki Aristonectes_parvidens Libonectes_morgani Hydrotherosaurus_alexandrae Albertonectes_vanderveldei Aristonectes_quiriquinensis Elasmosaurus_platyurus Styxosaurus_sp_Hydralmo Mauisaurus_haasti Libonectes_atlasense Styxosaurus_snowii Terminonatator_pontiexensis Tuarangisaurus_keyesi Zarafasaura_oceanis Kawanectes_lafquenianum Vegasaurus_molyi Nakonectes_bradti Hauffiosaurus_longirostris Hauffiosaurus_tomistomimus Hauffiosaurus_zanoni Marmornectes_candrewi Peloneustes_philarchus Simolestes_vorax Pliosaurus_funkei Pliosaurus_westburyensis Pliosaurus_carpenteri Pliosaurus_brachydeirus Pliosaurus_macromerus Pliosaurus_brachyspondylus Pliosaurus_cf_kevani Pliosaurus_kevani Gallardosaurus_iturraldei Pliosaurus_rossicus Pliosaurus_irgisensis Pliosaurus_andrewsi Liopleurodon_ferox Kronosaurus_queenslandicus Polyptychodon_sp Megacephalosaurus_eulerti Brachauchenius_lucasi Brachauchenius_MNA QM_F51291 Stenorhynchosaurus_munozi Anguanax_zignoi Makhaira_rossica Luskhan_itilensis Edgarosaurus_muddi Plesiopleurodon_wellesi Richmond_pliosaur Palmulasaurus_quadratus Pahasapasaurus_haasi Polycotylus_latipinnis Thililua_longicollis Trinacromerum_bentonianum Dolichorhynchops_osborni Dolichorhynchops_bonneri Eopolycotylus_rankini Manemergus_anguirostris Dolichorhynchops_tropicensis Georgiasaurus_penzensis Dolichorhynchops_ROM_29010 Dolichorhynchops_herschelensis Sulcusuchus_erraini Mauriciosaurus_fernandezi Serpentisuchops_pfisterae Osteology Maximum Parsimony Based on reanalysis of the original matrix. Persons_etal_2022a