United States Geological Survey Professional Paper by U.S. Dept. of the Interior: Leperditicopid Ostracodes from Ordovician Rocks of Kentucky and Nearby States and Characteristic Features of the Order Leperditicopida, 1984 (1066-J).
United States Geological Survey Professional Paper by U.S. Dept. of the Interior: Leperditicopid Ostracodes from Ordovician Rocks of Kentucky and Nearby States and Characteristic Features of the Order Leperditicopida, 1984 (1066-J).