Traits taxon details
original description
Gervais, P. (1869). Note sur deux monstruosités remarquables de l'Hélix pomatia, et sur deux Parmacella de France. <em>Journal de Conchyliologie.</em> 17(2): 180-182., available online at https://www.biodiversitylibrary.org/page/15662394 page(s): 182, pl. 6, fig. 4 [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): 320 [details]
additional source
Harzhauser, M.; Neubauer, T. A.; Georgopoulou, E.; Esu, D.; D'Amico, C.; Pavia, G.; Giuntelli, P.; Carnevale, G. (2015). Late Messinian continental and Lago-Mare gastropods from the Tertiary Piedmont Basin, NW Italy. <em>Bollettino della Società Paleontologica Italiana.</em> 54(1): 1-53., available online at https://doi.org/10.4435/BSPI.2015.1 page(s): 42 [details] Available for editors 
original description (unavailable nomenclaturally)
Serres, M. de. (1853). Note sur les dépôts diluviens, les sables et les marnes teriaires d'eau douce mis à découvert lors des fondations du Palais-de-Justice de Montpellier. <em>Revue et magasin de zoologie pure et appliquée, 2e série.</em> 5: 446-461, 557-565., available online at https://www.biodiversitylibrary.org/page/13711970 page(s): 460; note: nomen nudum [details]
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