N. D.  Newell and Boyd, D. W., ?Oyster-like Permian Bivalvia?, Bulletin of the American Museum of Natural History, vol. 143, pp. 217-282, 1970.

N. D.  Newell and Boyd, D. W., ?Iteration of ligament structures in pteriomorphian bivalves?, American Museum Novitates, vol. 2875, pp. 1-11, 1987.

D. W.  Boyd and Newell, N. D., ?Silicified Leptodesma (Bivalvia; Pteriomorphia) from the Texas Permian?, American Museum Novitates, vol. 3347, pp. 1-10, 2001.

D. W.  Boyd and Newell, N. D., ?Silicified Leptodesma (Bivalvia; Pteriomorphia) from the Texas Permian?, American Museum Novitates, vol. 3347, pp. 1-10, 2001.

N. D.  Newell and Boyd, D. W., ?Iteration of ligament structures in pteriomorphian bivalves?, American Museum Novitates, vol. 2875, pp. 1-11, 1987.