Scaphitid ammonites of the Upper Cretaceous (Maastrichtian) Fox Hills Formation in south Dakota and Wyoming.  by Neil H. Landman and Karl M. Waage
Contributors: Waage, K.M.
Publisher: American Museum of Natural History
Place of publication: New York
Language: eng
Number of pages: 257
Subjects: Ammonoidea - South Dakota; Ammonoidea - Wyoming
Notes: 11