MolluscaBase taxon details
original description
Smith, E. A. (1890). Report on the marine molluscan fauna of the island of St. Helena. <em>Proceedings of the Zoological Society of London.</em> 1890(2): 247-317, pls. 21-24., available online at http://biodiversitylibrary.org/page/31014404
page(s): 312, pl. 24, fig. 20. [details]
additional source
Turton, W. H. (1932). The marine shells of Port Alfred S. Africa. Humphrey Milford, London. pp. i-xvi, 1-331, pls 1-70. [published 22 Dec. 1932].
page(s): 4. [details]