Swain, F. M.; Peterson, J. A. (1952). Ostracoda from the Upper part of the Sundance Formation of South Dakota, Wyoming and southern Montana. United States Geological Survey Professional Paper. 243: 1-18.
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Swain, F. M.; Peterson, J. A.
1952
Ostracoda from the Upper part of the Sundance Formation of South Dakota, Wyoming and southern Montana
United States Geological Survey Professional Paper