Taxon
Polycotylus ultimus (nomen dubium)
Diagnosis
Vertebrae all short, much wider than long with articular surfaces flat. Ribs single-headed throughout. Coracoids without clavicular processes; posterior processes widely separated. Obturator foramina not separated? Ischia triradiate curved plates uniting at anterior-interior angle, posterior angles widely seprarated. Humerus and femur of equal length
Fossils
Catalogue No
Collection
Specimen
Age
Campanian (Stage/Age)
Locality
Penza
Polycotylus ultimus
Holotype
Bogolobuv, N. N. (1911) ON the history of Plesiosaurs in Russia [in Russian]; , pp.412 pp