Bartsch, P. 1922. A monograph of the American shipworms. Bulletin of the United States National Museum (122): 1-51. Available electronically.
Bartsch, 1922. Bull. U.S. Nat. Mus. (122): 36.
Bartsch, 1922. Bull. U.S. Nat. Mus. (122): 15, pl. 20, fig. 3; pl. 31, fig. 1.
Bartsch, 1922. Bull. U.S. Nat. Mus. (122): 13, pl. 8, fig. 2; pl. 31, fig. 4.
Bartsch, 1922. Bull. U.S. Nat. Mus. (122): 31, pls. 24-25.