Olsson, A. A., and Petit, R. E., 1964. Some Neogene Mollusca from Florida and the Carolinas. Bulletins of American Paleontology, 47 (217 ).
New Species-Group Names:
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cherokus Olsson & Petit, 1964. p. 538. pl. 79. f. 3. 3b.
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presozoni Olsson & Petit, 1964. p. 538. pl. 79. f. 2. 2a.