L. William Stephenson, ?Larger invertebrate fossils of the Woodbine Formation (Cenomanian) of Texas?, Geological Survey Professional Paper, vol. 242, pp. 1-226, 1952.

F. T.  Fürsich and Werner, W., ?The Upper Jurassic Bivalvia of Portugal. Part 2. Pteriomorphia (Pterioida exclusive Ostreina)?, Comunicações dos Serviços Geológicos de Portugal, vol. 74, pp. 105-164, Submitted.

R. E.  Akers and Akers, T. J., ?Texas Cretaceous bivalves 2. Descriptions and illustrations of all named Texas genera and species?, Texas Paleontology Series, vol. 7, p. ???, 2002.

F. T.  Fürsich and Werner, W., ?The Upper Jurassic Bivalvia of Portugal. Part 2. Pteriomorphia (Pterioida exclusive Ostreina)?, Comunicações dos Serviços Geológicos de Portugal, vol. 74, pp. 105-164, 1988.

L. William Stephenson, ?Larger invertebrate fossils of the Woodbine Formation (Cenomanian) of Texas?, Geological Survey Professional Paper, vol. 242, pp. 1-226, 1952.