MolluscaBase taxon details
original description
(of Helix rossmaessleri L. Pfeiffer, 1842) Pfeiffer, L. (1842). <i>Symbolae ad historiam Heliceorum</i>, Part II [<i>Sectio altera</i>.] Kassel (Th. Fischer). 147 pp. [< 21 December]. , available online at https://www.biodiversitylibrary.org/page/12254177 page(s): 98 [details]
original description
(of Helix advena Rossmässler, 1842) Rossmässler, E. A. (1838-1844). Iconographie der Land- & Süßwasser- Mollusken, mit vorzüglicher Berücksichtigung der europäischen noch nicht abgebildeten Arten. (1) 2 (1/2) [7/8]: 4 + 1-44. pl 31-40 [≥ June 1838]; (1) 2 (3/4) [9-10]: I-IV + 1-46. pl. 41-50 [≥ Sept. 1839]; (1) 2 (5) [11]: I-IV + 1–15. pl. 51–55 [≥ June 1842]; (1) 2 (6) [12]: I-IV + 1-37. pl. 56-60 [≥Sept. 1844]. [Dresden und Leipzig (Arnoldische Buchhandlung)]., available online at https://biodiversitylibrary.org/page/24986222 page(s): (1) 2 (5) [11]: 2, Taf. LI, Fig. 687 [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] 
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