Preston, H. B. (1913). Diagnoses of new species and varieties of agnathous Mollusca from Equatorial Africa. Proceedings of the Zoological Society of London. 81 (2): 194-218, pl. 32-35. [30 May].
296968
Preston, H. B.
1913
Diagnoses of new species and varieties of agnathous Mollusca from Equatorial Africa