MolluscaBase taxon details
original description
(of Bulimus moerchi L. Pfeiffer, 1853) Pfeiffer, L. (1853). <i>Monographia heliceorum viventium. Sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum</i>. Volumen tertium [Vol. 3]. Lipsiae: Brockhaus. i-viii + 711 pp. , available online at https://biodiversitylibrary.org/page/11646394
page(s): 370 [details]
original description
(of Cyclodontina guineensis H. Beck, 1837) Beck, H. (1837-1838). <i>Index molluscorum praesentis aevi musei principis augustissimi Christiani Frederici</i>. 124 pp. Hafniae [Copenhagen]. Pp. 1-100 [1837]; 101-124 [1838]; Appendix: 1-8 [June 1837]. , available online at https://biodiversitylibrary.org/page/32058074
page(s): 88, No 11 [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): 94 [details]