(Pistosauroidea_outgroup,(Meyerasaurus_victor,(Thalassiodracon_hawkinsi,(Seeleyosaurus_guilelmiimperatoris,(((Leptocleidus_superstes,(Brancasaurus_brancai,Gronausaurus_wegneri)),(Polycotylus_latipinnis,Tricleidus_seeleyi,(Muraenosaurus_leedsii,((Callawayasaurus_colombiensis,(Hydrotherosaurus_alexandrae,Libonectes_morgani)),(Cryptocleidus_eurymerus,Kimmerosaurus_langhami))))),(Liopleurodon_ferox,(Kronosaurus_boyacensis,Peloneustes_philarchus))))))); (Pistosauroidea_outgroup,(Meyerasaurus_victor,(Thalassiodracon_hawkinsi,(Seeleyosaurus_guilelmiimperatoris,(((Leptocleidus_superstes,(Brancasaurus_brancai,Gronausaurus_wegneri)),(Tricleidus_seeleyi,(((Callawayasaurus_colombiensis,(Hydrotherosaurus_alexandrae,Libonectes_morgani)),(Cryptocleidus_eurymerus,Kimmerosaurus_langhami)),(Muraenosaurus_leedsii,Polycotylus_latipinnis)))),(Liopleurodon_ferox,(Kronosaurus_boyacensis,Peloneustes_philarchus)))))));