MolluscaBase taxon details
original description
(of Clausilia (Agathylla) viperina Westerlund, 1901) Westerlund, C. A. (1901). Synopsis molluscorum in regione palaearctica viventium ex typo Clausilia Drap. <em>Mémoires de l'Académie Impériale des Sciences de St.-Pétersbourg, Classe des Sciences Physiques et Mathématiques, VIIIe Série.</em> 11 (11): xxxvii + 203 pp. St.-Petersburg [> 4 October]., available online at https://www.biodiversitylibrary.org/page/11651066
page(s): 94 [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]