MolluscaBase taxon details
original description
(of Ptychotrema (Parennea) somaliense Verdcourt, 1961) Verdcourt, B. (1961). Further notes on the genus Ptychotrema Mörch in eastern Africa (Mollusca, Streptaxidae). <em>Archiv für Molluskenkunde.</em> 90: 155–161.
page(s): 159. [details]
basis of record
Adam, W.; Van Goethem, J. L. (1978). Revision du sous-genre Parennea Pilsbry du genre Ptychotrema Mörch (Mollusca-Pulmonata-Streptaxidae). <em>Études du Continent Africain.</em> 5: 1-79.
page(s): 28. [details] Available for editors [request]