Verrill, A.E. & K.J. Bush. 1898. Revision of the deep-water Mollusca of the Atlantic coast of North America, with descriptions of new genera and species. Part I. Bivalvia. Proceedings of the United States National Museum 20: 775-901. Available electronically.
Verrill & Bush, 1898. Proc. U.S. Nat. Mus. 20: 875, pl. 97, fig. 7.
Verrill & Bush, 1898. Proc. U.S. Nat. Mus. 20: 788, pl. 91, figs. 5-6.