MolluscaBase taxon details
original description
(of Helix (Xerophila) promissa Westerlund, 1892) Westerlund, C. A. (1892). Spicilegium Malacologicum. Neue Binnenconchylien in der paläarktischen Region. I, II. <em>Verhandlungen der Kaiserlich-königlichen Zoologisch-botanischen Gesellschaft in Wien.</em> 42 (1), Abhandlungen: 25-48. Wien [end of March]. page(s): 29 [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
Gittenberger, E. (1993). On Cernuella virgata (Da Costa, 1778) and two Iberian Xerosecta species (Mollusca: Gastropoda Pulmonata: Hygromiidae). Zoologische Mededelingen, 67 (18): 295-302. Leiden [30 July]. page(s): 298 [details] Available for editors [request]
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