WoRMS taxon details
original description
(of Helix plana Dunker, 1843) Philippi, R. A. (1842-1850). <i>Abbildungen und Beschreibungen neuer oder wenig gekannter Conchylien unter Mithülfe mehrerer deutscher Conchyliologen</i>. Cassel, T. Fischer: Vol. 1: 1-20 [1842], 21-76 [1843], 77-186 [1844], 187-204 [1845]; Vol. 2: 1-64 [1845], 65-152 [1846], 153-232 [1847] ; Vol. 3: 1-50 [1847], 51-82 [1848], 1-88 [1849], 89-138 [1850]. , available online at http://www.biodiversitylibrary.org/item/41582 page(s): Vol. 1, 51, pl. Helix 3, fig. 11 [details]
original description
(of Polygyra plana var. bahamensis Vanatta, 1919) Vanatta, E. G. (1919). <i>Polygyra plana bahamensis</i> Van. n. var. <em>The Nautilus.</em> 33(2): 72., available online at https://www.biodiversitylibrary.org/page/1744581 [details]
context source (Bermuda)
Bieler, R. & Slapcinsky, J. (2000). A case study for the development of an island fauna: Recent terrestrial mollusks of Bermuda. <em>Nemouria.</em> 44: 1-99., available online at https://www.biodiversitylibrary.org/page/45974319 [details]
basis of record
Clench, W. J. (1963). Land and freshwater mollusks of the Crooked Island group, Bahamas. <em>Bulletin of the Museum of Comparative Zoology at Harvard College.</em> 128: 393-413., available online at https://www.biodiversitylibrary.org/page/4284201 page(s): 405 [details]
additional source
Hovestadt A. & Neckheim C. M. (2020). A critical checklist of the non-marine molluscs of St. Martin, with notes on the terrestrial malacofauna of Anguilla and Saint-Barthélemy, and the description of a new subspecies. <em>Folia Conchyliologica.</em> 57: 1-38., available online at http://cernuelle.com/file/Folia conchyliologica 57.pdf page(s): 28 [details]
additional source
Bertrand, A. (2002). Notes sur les mollusques terrestres de Saint-Martin (Petites Antilles). <em>Documents Malacologiques.</em> 2(2001): 35-37. page(s): 35-37, pl. 1, fig. F; note: As Polygira plana (Dunker, 1843). Polygyra cereolus? [details] Available for editors [request]
additional source
Emberton, K. C. (1995). When shells do not tell: 145 million years of evolution in North America's polygyrid land snails, with a revision and conservation priorities. <em>Malacologia.</em> 37(1): 69-110. Ann Arbor., available online at https://www.biodiversitylibrary.org/page/13113494 page(s): 89 [details]
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