MolluscaBase taxon details
original description
(of Ennea (Excisa) boangolensis 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): 21, pl. 1, figs 26, 27. [details]
basis of record
Bruggen, A. C. van. (1971). Some Streptaxidae (Mollusca) from west and southern Africa with the description of a new species of <i>Gulella</i>. <em>Zoologische Mededelingen.</em> 45(22): 245-260.
page(s): 247 [details]
additional source
Zilch, A. (1983). Die Typen und Typoide des Natur-Museums Senckenberg, 71: Mollusca: Streptaxacea (2): Haplotrematidae, Systrophiidae, Rhytididae, Streptaxidae (Nachträge zu Teil 24). <em>Archiv für Molluskenkunde.</em> 113 (1/6): 117–149; 231–233, Taf. 11–13.
page(s): 140 [details] Available for editors [request]
additional source
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): 103 [details]