MolluscaBase taxon details
original description
(of Helix noverca L. Pfeiffer, 1853) Pfeiffer, L. (1853). <i>Monographia heliceorum viventium. Sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum</i>. Volumen tertium [Vol. 3]. Lipsiae: Brockhaus. i-viii + 711 pp. , available online at https://biodiversitylibrary.org/page/11646394 page(s): 648 [details]
original description
(of Helix (Cressa) giurica O. Boettger, 1892) Boettger, O. (1892). Schnecken von der Insel Giura, N.-Sporaden, aus dem phokischen Parnass und aus anderen griechischen Gebieten. <em>Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft.</em> 24 (3/4): 59-66. Frankfurt am Main., available online at https://www.biodiversitylibrary.org/page/15600562 page(s): 59 [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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