(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,(((Umoonasaurus_demoscyllus,(QM_F18041,(TMP_94_dot_122_dot_01,((Dolichorhynchops_osborni,Edgarosaurus_muddi),(Polycotylus_latipinnis,TMP_95_dot_87_dot_01))))),(Leptocleidus_capensis,Leptocleidus_superstes)),(Simolestes_vorax,(Liopleurodon_ferox,(Kronosaurus_queenslandicus,(Peloneustes_philarchus,Pliosaurus_brachyspondylus))))))))))));