original description
(of Ennea affectata Fulton, 1902) Fulton, H. (1902). Description of Ennea affectata, n. sp., from Zanzibar. <em>Proceedings of the Malacological Society of London.</em> 5: 32., available online at https://www.biodiversitylibrary.org/page/15168371
page(s): 32, text fig. [details]
original description
(of Ennea rosenbergiana Preston, 1910) Preston, H.B. (1910). Notes on a small collection of terrestrial shells from Angola, with descriptions of new species. Proceedings of the Malacological Society of London, 9 (1): 51-55. London [31 March]., available online at https://www.biodiversitylibrary.org/page/30824837
page(s): 52, textfig. [details]
basis of record
Adam, W.; Bruggen, A. C. van; Van Goethem, J. L. (1995). Études sur les mollusques terrestres de l'Afrique, à partir des notes de feu le Dr William Adam. 3. <i>Ptychotrema</i> (<i>Ptychotrema</i> s.s., <i>Adjua, Excisa, Mirellia, Nsendwea, Ptychoon, Sphinctostrema</i>) (Gastropoda Pulmonata: Streptaxidae). <em>Bulletin de l'Institute Royal des Sciences Naturelles de Belgique, Biologie.</em> 65: 89-115., available online at https://biblio.naturalsciences.be/rbins-publications/bulletin-of-the-royal-belgian-institute-of-natural-sciences-biologie/65-1995/biologie-1995-65_89-115.pdf
page(s): 106 [details]
From editor or global species database