original description
Cox, L. R. (1927). Neogene and Quaternary Mollusca from the Zanzibar Protectorate. In: Anonymous (Eds.): Report on the Palaeontology of the Zanzibar Protectorate based mainly on the collection made by G. M. Stockley. Government of Zanzibar, Crown Agents for the Colonies, London, pp. 13-102, 171–180, pls. 3-19.
page(s): 22, pl. 10, figs 7, 8 [details]
From editor or global species database