MolluscaBase name details
original description
(of Helix clara Held, 1838) Held, F. (1837-1838). Notizen über die Weichthiere Bayerns. Isis (Oken), 30 (4): 303-309 (1837); 30 (12): 901-919 (1838). Leipzig., available online at https://biodiversitylibrary.org/page/27411580
page(s): 902 [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., Menkhorst, H.P.M.G. & Raven, J.G.M. (1980). New data on four European terrestrial gastropods. Basteria, 44 (1/4): 11-16. Leiden 19 June].
page(s): 12 [details] Available for editors [request]
additional source
Kerney, M. P., Cameron, R. A. D. & Jungbluth, J.-H. (1983). Die Landschnecken Nord- und Mitteleuropas. Ein Bestimmungsbuch für Biologen und Naturfreunde. <em>Verlag Paul Parey.</em> 384 pp., 24 plates. [Summer or later]. Hamburg / Berlin (Paul Parey).
page(s): 169 [details] Available for editors [request]