MolluscaBase taxon details
original description
(of Ennea usagarica Crosse, 1886) Crosse, H. (1886). Diagnoses Molluscorum novorum, in regione Usagara dicta, Africae orientalis, collectorum. <em>Journal de Conchyliologie.</em> 33(4): 310-312. ["1885"; 7 Feb. 1886]., available online at https://www.biodiversitylibrary.org/page/15979688 page(s): 310. [details]
basis of record
Brown, K. (2021). A guide to the hunter shells. Vol.1. The Streptaxoidea. The Gulellinae and Primigulellinae. ConchBooks, Germany. page(s): 586. [details]
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