MolluscaBase taxon details
original description
(of Helix vermicularia Michelotti, 1840 †) Michelotti, G. (1840). Rivista di alcune specie fossili della famiglia dei gasteropodi. <em>Annali delle Scienze del Regno Lombardo-Veneto.</em> 10: 137-162., available online at http://babel.hathitrust.org/cgi/pt?id=hvd.32044107314981;view=1up;seq=5 page(s): 137 [details] 
original description
(of Helix italica De Stefani, 1876 †) De Stefani, C. (1876). Geologia del Monte Pisano. <em>Memorie per servire alla descrizione della carta geologica d'Italia.</em> 3(1): 48-169., available online at https://books.google.de/books?id=_FdSAQAAIAAJ page(s): 115-116 [details]
original description
(of Helix (Macularia) vermiculata var. pelogosana Westerlund, 1894) Westerlund, C. A. (1894). Specilegium Malacologicum. Neue Binnen-Conchylien aus der paläarktischen Region. V. <em>Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft.</em> 26 (9/10): 163-177; 26 (11/12): 190-205. Frankfurt am Main [September/October; November/December]., available online at https://www.biodiversitylibrary.org/page/15601574 page(s): 168 [details]
basis of record
Wenz, W. (1923-1930). Fossilium Catalogus I: Animalia. Gastropoda extramarina tertiaria. W. Junk, Berlin. Vol. I: 1-352 pp. (1923), Vol. II: 353-736 pp. (1923), Vol. III: 737-1068 pp. (1923), Vol. IV: 1069-1420 pp. (1923), Vol. V: 1421-1734 pp. (1923), Vol. VI: 1735-1862 pp. (1923), Vol. VII: 1863-2230 pp. (1926), Vol. VIII: 2231-2502 pp. (1928), Vol. IX: 2503-2886 pp. (1929), Vol. X: 2887-3014 pp. (1929), Vol. XI: 3015-3387 pp. (1930)., available online at http://biodiversitylibrary.org/bibliography/61839#/summary page(s): 566-567 [details]
basis of record
Petronio, C.; Argenti, P.; Caloi, L.; Esu, D.; Girotti, O.; Sardella, R. (2003). Updating Villafranchian mollusc and mammal faunas in Umbria and Latium (Central Italy). <em>Geologica Romana.</em> 36: 369-387. [details] Available for editors [request]
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