original description
Vélain C. (1877). Observations générales sur la faune des deux iles [Saint-Paul et Amsterdam] suivies d´une description des mollusques. <em>Archives de Zoologie Expérimentale et Générale.</em> 6: 1-144, pls 1-5., available online at https://www.biodiversitylibrary.org/page/45594054
page(s): 124, pl. 4 figs 21-22 [details]
basis of record
Kilburn, R.N. & Rippey, E. (1982) Sea Shells of Southern Africa. Macmillan South Africa, Johannesburg, xi + 249 pp. [details]
From editor or global species database