Vokes, H. E. (1956). Notes on the Nucinellidae (Pelecypoda) with description of a new species from the Eocene of Oregon. Journal of Paleontology. 30(3): 652-671.
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Vokes, H. E.
1956
Notes on the Nucinellidae (Pelecypoda) with description of a new species from the Eocene of Oregon