MolluscaBase name details
original description
(of Helix hemisphaerion L. Pfeiffer, 1851) Pfeiffer, L. (1851). Beschreibung neuer Landschnecken. <em>Zeitschrift für Malakozoologie.</em> 8(1): 10-16 [31 May], 8(2): 25-29 [30 June]., available online at https://www.biodiversitylibrary.org/page/16300510
page(s): 15; note: Pfeiffer cites Helix hemisphaerion Pfeiffer in Chemnitz ed. II, Helix 958, pl. 146, fig. 1, 2. The page number should be 407, 408, but the plate and figures are correct. The date of introduction is q... Pfeiffer cites Helix hemisphaerion Pfeiffer in Chemnitz ed. II, Helix 958, pl. 146, fig. 1, 2. The page number should be 407, 408, but the plate and figures are correct. The date of introduction is questionable.
[details]
basis of record
Pilsbry, H. A. (1891-1892). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 7: Helicidae, vol.5. pp 1-225, pls 1-61. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-64, pls. 1-15, Aug. 3, 1891; pp. 65-128, pls. 16-30, Nov. 3, 1891; pp. 129-192, pls. 31-45, Jan. 30, 1892; pp. 193-225, pls. 46-61, Apr. 25, 1892]. , available online at https://biodiversitylibrary.org/page/1102230
page(s): 145-146, pl. 54, figs. 45-46 [details]