McClellan, W. A. (1966). Arenaceous Foraminifera from the Waldron Shale (Niagaran) of Southeast Indiana. Bulletins of American Paleontology. 50(230): 443-518.
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McClellan, W. A.
1966
Arenaceous Foraminifera from the Waldron Shale (Niagaran) of Southeast Indiana