original description
Preston, H. B. (1910). Additions to the non-marine molluscan fauna of British and German East Africa and Lake Albert Edward. <em>The Annals and Magazine of Natural History.</em> (8) 6 (35): 526-536, pl. 7-9. London. [1 November]., available online at https://www.biodiversitylibrary.org/page/18619767
page(s): 531 [details]
original description
(of Helix (Phasis) Albers, 1850) Albers, J. C. (1850). Die Heliceen nach natürlicher Verwandtschaft systematisch geordnet. <em>Berlin: Enslin.</em> 262 pp., available online at https://www.biodiversitylibrary.org/page/11965983
page(s): 92 [details]
status source
Schileyko, A. A. (2001). Treatise on Recent terrestrial pulmonate molluscs. Part 7. Endodontidae, Thyrophorellidae, Charopidae. <em>Ruthenica.</em> Supplement 2: 881-1034.
page(s): 908. [details]
From editor or global species database