Dall W. H. 1881. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico and in the Caribbean Sea (1877-78), by the United States Coast Survey Steamer "Blake", Lieutenant-Commander C.D. Sigsbee, U.S.N., and Commander J.R. Bartlett, U.S.N., commanding. XV. Preliminary report on the Mollusca. Bulletin of the Museum of Comparative Zoölogy at Harvard College, 9(2): 33-144.