MolluscaBase taxon details
original description
(of Helix heldreichi L. Pfeiffer, 1846) Pfeiffer, L. (1846). Symbolae ad historiam Heliceorum. Sectio tertia. 1–100. Cassellis: Th. Fischer [< 26 August]., available online at https://biodiversitylibrary.org/page/12254325
page(s): 78 [details]
basis of record
Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16th, 2017. [details]
additional source
Subai, P. (1996). Revision der Ariantinae. 1. Die Helicigona-Untergattung Thiessea (Gastropoda: Pulmonata: Helicidae). Archiv für Molluskenkunde, 126 (1/2): 1-49. Frankfurt am Main [30 December].
page(s): 17, Taf. 3 Fig. 22; Abb. 4a-d [details] Available for editors [request]