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Marks, J. G. (1949). Nomenclatural units and tropical American Miocene species of the gastropod family Cancellariidae. Journal of Paleontology. 23: 453–464, pl. 78.
Marks, J. G. (1949). Nomenclatural units and tropical American Miocene species of the gastropod family Cancellariidae. Journal of Paleontology. 23: 453–464, pl. 78.
