Kear, B. P. Barrett, P. M. 2011 Reassessment of the Lower Cretaceous (Barremian) pliosauroid <em>Leptocleidus superstes</em> Andrews, 1922 and other plesiosaur remains from the nonmarine Wealden succession of southern England Zoological Journal of the Linnean Society 161 663-691 Cymatosaurus Archaeonectrus Attenborosaurus Augustasaurus BMNH_49202 Brachauchenius Dolichorhynchops Eurycleidus NMING_F10194 NIMING_F8749 WARMS_G10875 Hauffiosaurus Hydrorion Kronosaurus Leptocleidus_capensis Liopleurodon Macroplata Maresaurus OUMJ28585 Plesiosaurus_longirostris Plesiosaurus_dolichodeirus Peloneustes Pistosaurus Pliosaurus Rhomaleosaurus_cramptoni Rhomaleosaurus_megacephalus LEICS_G221_1851 Rhomaleosaurus_propinquus Rhomaleosaurus_thorntoni Rhomaleosaurus_victor Rhomaleosaurus_zetlandicus Seeleysaurus Simolestes Sthenarosaurus Thalassiodracon Yunguisaurus Leptocleidus_superstes Leptocleidus_clemai Umoonasaurus_demoscyllus Nichollssaura_borealis Osteology Maximum Parsimony Based on reanalysis of the original matrix. Kear_et_Barrett_2011ac