W. H.  Dall, ?Report on the Mollusca. Part 1. Brachiopoda and Pelecypoda?, Bulletin of the Museum of Comparative Zoology, vol. 12, p. 11-???, Submitted.

W. H.  Dall, ?Report on the Mollusca. Part 1. Brachiopoda and Pelecypoda?, Bulletin of the Museum of Comparative Zoology, vol. 12, 1885.