Schaefer, N. O.,
Schaefer, T.,
Bell, G. L., and
Schumacher, B. A.
1995.
A specimen of Plioplatecarpus from the Upper Cretaceous Pierre Shale, Cedar Creek Anticline, southwestern North Dakota.
Proceedings of the North Dakota Academy of Science,
49:
59. (While not an author on this contribution, Dean was responsible for training the two primary authors).
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