MolluscaBase name details
original description
Clench, W. J. (1929). Some records and descriptions of new fresh-water mollusks from Cameroon. <em>Bulletin of the Museum of Comparative Zoology.</em> 69(6):117–123., available online at https://www.biodiversitylibrary.org/page/2774435
page(s): 122, pl. 1, fig. 1-2 [details]