MolluscaBase taxon details
original description
(of Ennea adelpha Preston, 1913) Preston, H. B. (1913). Diagnoses of new species and varieties of agnathous Mollusca from Equatorial Africa. <em>Proceedings of the Zoological Society of London.</em> 81 (2): 194-218, pl. 32-35. [30 May]., available online at https://www.biodiversitylibrary.org/page/31994693
page(s): 199, pl. 32, figs 7, 7a, pl. 34, figs 1, 1a. [details]
basis of record
Verdcourt, B. (1957). A key to the East African species of the section Plicigulella Pilsbry of the fenus Gulella Pfr. (Moll., Streptaxidae). Revue de Zoologie et de Botanique Africaine, 55: 125-131.
page(s): 127 [details] Available for editors [request]
additional source
Germain, L. (1923). Voyage de M. Guy Babault dans l'Afrique Orientale Anglaise. Résultats scientifiques: Mollusques terrestres et fluviatiles. Paris. Pp. 1–149, pls 1–4.
page(s): 23, figs 4, 5. [details]