MolluscaBase taxon details
original description
Say T. (1818). Account of two new genera, and several new species, of fresh water and land snails. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 1: 276-284., available online at http://biodiversitylibrary.org/page/24680546
page(s): 276-277 [details]
original description
(of Helix (Ulostoma) Albers, 1850) Albers, J. C. (1850). Die Heliceen nach natürlicher Verwandtschaft systematisch geordnet. <em>Berlin: Enslin.</em> 262 pp., available online at https://www.biodiversitylibrary.org/page/11965983
page(s): 95 [details]
original description
(of Anchistoma H. Adams & A. Adams, 1855) Adams, H. & Adams, A. (1853-1858). <i>The genera of Recent Mollusca; arranged according to their organization</i>. London, van Voorst. Vol. 1: xl + 484 pp.; vol. 2: 661 pp.; vol. 3: 138 pls. [Published in parts: Vol. 1: i-xl (1858), 1-256 (1853), 257-484 (1854). Vol. 2: 1-92 (1854), 93-284 (1855), 285-412 (1856), 413-540 (1857), 541-661 (1858). Vol. 3: pl. 1-32 (1853), 33-72 (1954), 73-96 (1855), 97-112 (1856), 113-128 (1857), 129-138 (1858)]. , available online at https://www.biodiversitylibrary.org/page/3782650 [details]
additional source
Baker, F. C. (1932). Southern Illinois. <em>The Nautilus.</em> 45(4): 137., available online at https://www.biodiversitylibrary.org/page/8527976 [details]
additional source
Rehder, H. A. (1936). The type of <i>Polygyra</i> Say. <em>The Nautilus.</em> 49(3): 102-103., available online at https://www.biodiversitylibrary.org/page/8527743 [details]
additional source
Pilsbry, H. A. (1938). The type of <i>Polygyra</i> Say. <em>The Nautilus.</em> 52(1): 22-24., available online at https://www.biodiversitylibrary.org/page/8284522 [details]
status source
ICZN. (1992). Opinion 1691. <i>Polygyra</i> Say, 1818 (Mollusca, Gastropoda): <i>Polygyra septemvolva</i> Say, 1818 designated as the type-species and Polygyridae Pilsbry, 1895 given precedence over Mesodontidae Tryon, 1866. <em>Bulletin of Zoological Nomenclature.</em> 49 (3): 240–241., available online at https://www.biodiversitylibrary.org/page/12231307 [details]
Present Inaccurate Introduced: alien Containing type locality