(Archaeonectrus_rostratus,(Macroplatatenuiceps,((Rhomaleosaurusmegacepha,(((OUMNH_J_dot_10337,(Thalassiodraconhawkinsi,(Plesiosaurusdolichodeir,((Seeleyosaurusguilelmiim,(((Styxosaurussnowii,(Thalassomedonhaningtoni,((Callawayasauruscolombie,(Aristonectesparvidens,Eromangasaurusaustralis)),(Hydrotherosaurusalexand,(Terminonatatorpontiexen,(Elasmosaurus_platyurus,Libonectesmorgani)))))),(Muraenosaurusleedsii,(Tricleidusseeleyi,(Cryptocliduseurymerus,Kimmerosauruslanghami)))),(Hydrorionbrachypterygiu,Occitanosaurustournemir))),(Microcleidushomalospond,OUMNH_J_dot_28585))))),(Attenborosaurusconybear,(BMNH_49202,(Augustasaurushagdorni,(Cymatosaurus,Simosaurusgaillardoti))))),((Eurycleidusarcuatus,((BMNH_R2439,(Simolestesvorax,((BEDFM_1999_slash_201,(Peloneustesphilarchus,(OUMNH_J_dot_02247,Pliosaurusandrewsi))),(Liopleurodonferox,((FHSMVP321,(Brachaucheniuslucasi,Kronosaurusqueenslandic)),(Pliosaurusbrachydeirus,Pliosaurusbrachyspondyl)))))),((Umoonasaurusdemoscyllus,((Brancasaurusbrancai,Kaiwhekeakatiki),((QMF_18041,(Edgarosaurusmuddi,(Trinacromerumbentonianu,(Plesiopleurodonwellesi,((Polycotyluslatipinnis,(Dolichorhynchopshersche,Eopolycotylusrankini)),(Dolichorhynchopsosborni,Manemergusanguirostris)))))),(Thililualongicollis,(Nichollsauraborealis,Palmulasaurusquadratus))))),(Leptocleiduscapensis,Leptocleidussuperstes)))),(Maresauruscoccai,(Rhomaleosaurusvictor,Rhomaleosauruszetlandic))))),(Plesiosaurusmacrocephal,(Hauffiosauruslongirostris,(Hauffiosaurustomistomimus,Hauffiosauruszanoni))))));