Adams A. & Reeve L. (1848-1850). Mollusca. In A. Adams (ed.), The zoology of the voyage of H.M.S. Samarang, under the command of Captain Sir Edward Belcher, C.B., F.R.A.S., F.G.S., during the years 1843-1846. Reeve & Benham, London, x + 87 pp., 24 pls. [i-x, 1-24, pls 1-9 (1848); 25-87, pls 10-24 (1850)] page 68, plate XIX, figures 6