Traits taxon details
original description
(of ) Pfeiffer, L. (1845). Description of twenty-two new species of land-shells, belonging to the collection of Mr. H. Cuming. <em>Proceedings of the Zoological Society of London.</em> 13(147): 63–68. London [30 September]., available online at https://www.biodiversitylibrary.org/page/12862559 page(s): 67 [details]
context source (Bermuda)
Hearty, P. J.; Olson, S. L. (2010). Geochronology, biostratigraphy, and changing shell morphology in the land snail subgenus Poecilozonites during the Quaternary of Bermuda. Palaeogeography, Palaeoclimatology. Palaeoecology, 293: 9-29 [details]
basis of record
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 page(s): 51, fig. 36 [details]
additional source
Gould, S. J. (1971). Environmental control of form in land snails: a case of unusual precision. <em>The Nautilus.</em> 84(3): 86-93, fig. 1., available online at https://www.biodiversitylibrary.org/page/8516735 [details]
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