W. Healey Dall, List of marine Mollusca comprising the Quaternary fossils and recent forms from American localities between cape Hatteras and cape Roque, including the Bermudas. Washington: Government Printing Office, 1885, p. 336.

W. Healey Dall, List of marine Mollusca comprising the Quaternary fossils and recent forms from American localities between cape Hatteras and cape Roque, including the Bermudas. Washington: Government Printing Office, 1885, p. 336.