original description
Pfeiffer, L. (1857). Diagnosen interessanter Novitäten. <em>Malakozoologische Blätter. Cassel (Theodor Fischer).</em> 3 (17): 256-261 [January 1857]., available online at https://www.biodiversitylibrary.org/page/15865223
page(s): 256 [details]
additional source
Holyoak, D. T.; Holyoak, G. A.; Lima, R. F. D.; Panisi, M.; Sinclair, F. (2020). A checklist of the land Mollusca (Gastropoda) of the islands of São Tomé and Príncipe, with new records and descriptions of new taxa. <em>Iberus: Revista de la Sociedad Española de Malacología, (Iberus).</em>38(2): 219-319.
page(s): 247. [details] Available for editors [request]
From editor or global species database
Type locality 'ad Promontorium Palmarum Africae' (Cape Palmas, Liberia); inaccurate [details]