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.
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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