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Specimens
Polycotylus sp.
Fossils
 
Catalogue No
Collection
Specimen
SDSM 23020
unknown
Age
Santonian (Stage/Age)
Rock Unit
Niobrara Formation
Locality
South Dakota
 
ID record for SDSM 23020
Polycotylus sp.
 
Schumacher, Bruce A. and Martin, James E. (1995) Polycotylus sp., a short-necked plesiosaur from the Niobrara Formation (Late Cretaceous) of South Dakota; Journal of Vertebrate Paleontology, 15(Supplement to N)