Classification of Carpenter 1997

Fm. †Elasmosauridae Cope 1869 [elasmosaur]
show all | hide all
G. †Libonectes Carpenter 1997 [southwest diver]
hide
†Libonectes morgani Welles 1949
Fm. †Polycotylidae Williston 1908
show all | hide all
G. †Dolichorhynchops Williston 1902
hide
†Dolichorhynchops osborni Williston 1902