Gutschick, R. C.; Weiner, J. L.; Young, L. (1961). Lower Mississippian arenaceous Foraminifera from Oklahoma, Texas, and Montana. Journal of Paleontology. 1193-1221.
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Gutschick, R. C.; Weiner, J. L.; Young, L.
1961
Lower Mississippian arenaceous Foraminifera from Oklahoma, Texas, and Montana