Cooper, J.G. 1894. Catalogue of Californian fossils. Part V. Descriptions and figures of new species of Cretaceous and Cretaceous B (or Eocene) fossils of California, with notes on Tertiary species. Bulletin of the California State Mining Bureau (4): 36-65.
Cooper, 1894. Bull. Calif. St. Mining Bur. (4): 55, pl. 5, fig. 58.
(intro'd as intra-sp. of Anodonta nuttalliana Lea, 1838)