L. W.  Ward and Waller, T. R., ?A new species of Pulvinites (Mollusca: Bivalvia) from the Upper Paleocene Paspotansa member of the Aquia Formation in Virginia?, Journal of Paleontology, vol. 62, pp. 51-55, 1988.

L. W.  Ward and Waller, T. R., ?A new species of Pulvinites (Mollusca: Bivalvia) from the Upper Paleocene Paspotansa member of the Aquia Formation in Virginia?, Journal of Paleontology, vol. 62, pp. 51-55, 1988.