Imlay, R. W., 1959, Succession and speciation of the pelecypod Aucella: United States Geological Survey, Professional Paper, v. 314-G, p. 155-169.
Newell, N. D., 1937, Late Paleozoic Pelecypods-Pectinacea: Kansas Geological Survey Publications, v. 10, p. 1-123; Part 1.
---, 1942, Late Paleozoic Pelecypods-Mytilacea: Kansas Geological Survey Publications, v. 10, p. 1-115; Part 2.
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