Traits taxon details
original description
(of Helix similis 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): 143 [details] 
original description
(of Helix (Fruticicola) leptoloma F. Sandberger, 1858 †) Sandberger, C. L. F. (1858-1863). <i>Die Conchylien des Mainzer Tertiärbeckens</i>. 1-458, pls 1-35. Kreidel und Niedner Verlagshandlung. Wiesbaden [Heft 1: 1-40, pl. 1-5 (1858), Heft 2: 41-72, pl. 6-10 (1858), Heft 3: 73-112, pl. 11-15 (1859), Heft 4: 113-152, pl. 16-20 (1860), Heft 5-6: 153-232, pl. 21-30 (1861), Heft 7: 233-270, pl. 31-35 (1862), Heft 8: 283-468 (1863)]., available online at https://www.biodiversitylibrary.org/bibliography/13953#/summary page(s): 20, pl. 2, fig. 7-7d; note: (in figure caption as "Helix suboccidentalis") [details]
basis of record
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): 168, fig. 21 [details] Available for editors 
additional source
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): 435 [details]
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