(Cymatosaurus,(Archaeonectrus,Attenborosaurus,Augustasaurus,BMNH_49202,OUMJ28585,Pistosaurus,Thalassiodracon,Yunguisaurus,((Simolestes,(Liopleurodon,(Brachauchenius,Kronosaurus),(Peloneustes,Pliosaurus))),(Leptocleidus_capensis,(Leptocleidus_superstes,(Dolichorhynchops,Leptocleidus_clemai,TMP_94_122_01,Umoonasaurus)))),(Macroplata,(WARMS_G10875,(Eurycleidus,NMING_F10194,NIMING_F8749,Rhomaleosaurus_megacephalus,LEICS_G221_1851,(Maresaurus,Rhomaleosaurus_propinquus,Rhomaleosaurus_victor,Rhomaleosaurus_zetlandicus,Sthenarosaurus,Thaumatodracon,(Rhomaleosaurus_cramptoni,Rhomaleosaurus_thorntoni))))),(Hauffiosaurus,Plesiosaurus_longirostris),(Hydrorion,Plesiosaurus_dolichodeirus,Seeleysaurus)));