(Simosaurus_gaillardoti,(Cymatosaurus,(Augustasaurus_hagdorni,((BMNH_49202,(Thalassiodracon_hawkinsi,(Plesiosaurus_dolichodeirus,((BMNH_R_dot_1336,Plesiopterys_wildi),(Cryptoclidus_eurymerus,(Muraenosaurus_leedsii,((Hydrotherosaurus_alexandrae,(Callawayasaurus_colombiensis_H,(Callawayasaurus_colombiensis_R,Callawayasaurus_colombiensis_comp))),(Elasmosaurus_platyurus,(Libonectes_morgani,Terminonatator_pontiexensis))))))))),(Rhomaleosaurus_victor,(Rhomaleosaurus_megacephalus,((Macroplata_tenuiceps,((QM_F18041,(Polycotylus_latipinnis,(Dolichorhynchops_osborni,Edgarosaurus_muddi))),(Leptocleidus_clemai,(Leptocleidus_superstes,Umoonasaurus_demoscyllus)))),(Leptocleidus_capensis,(Simolestes_vorax,((Kronosaurus_queenslandicus,Liopleurodon_ferox),(Peloneustes_philarchus,Pliosaurus_brachyspondylus)))))))))));