World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Clionella semicostata (Kiener, 1839). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=216088 on 2026-08-16
Reeve, L. A. (1843-1846). Monograph of the genus Pleurotoma. In: Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 1, pl. 1-40 and unpaginated text. L. Reeve & Co., London. [stated dates: pls 1-2, January 1843; pls 3-6, February 1843; pls 7-8, March 1843; pls 9-10, April 1843; pls 11-12, May 1843; pls 13-14, June 1843; pl. 15, July 1843; pl. 16, August 1843; pl. 17, November 1843; pl. 18, December 1843; pl. 19; January 1844; pls 20-26, October 1845; pls 26-27, November 1845; pls 28-33, December 1845; pls 34-38, January 1846; pls 39-40, April 1846].
Bartsch, P. (1915). Report on the Turton Collection of South African marine mollusks, with additional notes on other South African shells contained in the United States National Museum. Bulletin. United States National Museum. 91: xii + 305 pp., 54 plates.