Murphy, J. L. (1967). R. P. Stevens' Pelecypod Species from the Brush Creek Shale Member (Conemaugh) of Ohio. Journal of Paleontology. 41(6): 1498-1504.
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Murphy, J. L.
1967
R. P. Stevens' Pelecypod Species from the Brush Creek Shale Member (Conemaugh) of Ohio