Craven, A.E. (1880). On a collection of land and freshwater shells made during a short expedition to the Usambara Country in eastern Africa, with descriptions of seven new species. Proceedings of the Zoological Society of London 1880: 216–219.
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Craven, A.E.
1880
On a collection of land and freshwater shells made during a short expedition to the Usambara Country in eastern Africa, with descriptions of seven new species.
Proceedings of the Zoological Society of London 1880: 216–219.