Preston, H. B. (1909). Descriptions of seventeen new species and varieties of land and freshwater shells from East and West Africa and the Transvaal. The Annals and Magazine of Natural History. (8) 3 (14): 180-187, pl. 7. London. [1 February].
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Preston, H. B.
1909
Descriptions of seventeen new species and varieties of land and freshwater shells from East and West Africa and the Transvaal