MolluscaBase taxon details
original description
(of Ennea euschemon Melvill & Ponsonby, 1909) Melvill, J. C. & Ponsonby, J. H. (1909). Descriptions of nine species of Ennea and five Helicoids, all from South Africa. <em>The Annals and Magazine of Natural History.</em> (8) 4 (24): 485-492, pl. 8. London. [1 December]., available online at https://www.biodiversitylibrary.org/page/22097866
page(s): 487 [details]
original description
(of Ennea crassilabris Craven, 1881) Craven, A.E. (1881). On a collection of land- and freshwater shells from the Transvaal and Orange Free State in South Africa, with descriptions of nine new species. <em>Proceedings of the Zoological Society of London 1880: 614–618. Volume date 1880, publication date 1881.</em> , available online at https://www.biodiversitylibrary.org/page/28522818
page(s): 616 [details]