BioStor
 | 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 Paul Bartsch (1915) United States National Museum Bulletin 91: 1-305 |
 | Case 2962. D. L. G. Karsten (1789), Museum Leskeanum, vol. 1 (Regnum Animale): proposed suppression for nomenclatural purposes. G Rosenberg (1996) Bulletin of Zoological Nomenclature 53(1): 38-42 |