Traits taxon details
original description
(of Helix aginensis Noulet, 1854 †) Noulet, J.-B. (1854). Mémoires sur les coquilles fossiles des terrains d'eau douce du Sud-Ouest de la France. Victor Masson, Paris. , available online at http://books.google.at/books/about/M%C3%A9moires_sur_les_coquilles_fossiles_des.html?id=6DEe7HS8FTsC&redir_esc=y page(s): 71 [details]
original description
(of Helix oxystoma Thomä, 1845 †) Thomä, C. (1845). Fossile Conchylien aus den Tertiärschichten bei Hochheim und Wiesbaden gesammelt und im naturhistorischen Museum zu Wiesbaden ausgestellt. <em>Jahrbücher des Vereins für Naturkunde in Nassau.</em> 2, 125-162. page(s): 136, pl. 3, fig. 1a, b [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): 596-601 [details]
additional source
Nordsieck, H. (2014). Annotated check-list of the genera of fossil land snails (Gastropoda: Stylommatophora) of western and central Europe (Cretaceous – Pliocene), with description of new taxa. <em>Archiv für Molluskenkunde.</em> 143(2): 153-185., available online at https://doi.org/10.1127/arch.moll/1869-0963/143/153-185 page(s): 173 [details] Available for editors 
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