MolluscaBase taxon details
original description
(of Opeas egens d'Ailly, 1896) d'Ailly A. (1896). Contributions ä la connaissance des mollusques terrestres et d'eau douce de Kaméroun. <em>Bihang till Kongl. Svenska vetenskaps-akademiens handlingar.</em> 22 (4), nº 2. 138 pp., 15 pl., available online at https://www.biodiversitylibrary.org/page/13076371
page(s): 112. [details]
basis of record
Ortiz de Zárate López, A. & Ortiz de Zárate Rocandio, A. (1959). Descripción de los moluscos terrestres de la isla de Fernando Poo (familia Achatinidae). 1-123, pls. 1-8. Insituto de Estudios Africanos, Madrid.
page(s): 104, pl. 8, fig. 132 [details] Available for editors [request]
additional source
Wronski, T., Gilbert, K., Long, E., Micha, B., Quinn, R. & Hausdorf, B. (2014). Species richness and meta-community structure of land snails along an altitudinal gradient on Bioko Island, Equatorial Guinea. <em>Journal of Molluscan Studies.</em> 80: 161–168.
page(s): 164. [details]