MolluscaBase name details
Patera (Ragsdaleorbis) G. R. Webb, 1954
997901 (urn:lsid:marinespecies.org:taxname:997901)
alternative representation
Subgenus
Helix pennsylvanicus Green, 1827 accepted as Patera pennsylvanica (Green, 1827) (type by original designation)
Mesodon (Ragsdaleorbis) G. R. Webb, 1954 · unaccepted > superseded combination
- Species Patera (Ragsdaleorbis) pennsylvanica (Green, 1927) represented as Patera pennsylvanica (Green, 1827)
(of Mesodon (Ragsdaleorbis) G. R. Webb, 1954) Webb, G. R. (1954). Pulmonata, Polygyridae, Polygyrinae: The sexology and taxonomy of seven species of land-snails of the genus <i>Mesodon</i>. <em>Gastropodia.</em> 1(2): 19-20.
page(s): 20 [details]
page(s): 20 [details]
MolluscaBase eds. (2025). MolluscaBase. Patera (Ragsdaleorbis) G. R. Webb, 1954. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=997901 on 2025-09-11
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original description
(of Mesodon (Ragsdaleorbis) G. R. Webb, 1954) Webb, G. R. (1954). Pulmonata, Polygyridae, Polygyrinae: The sexology and taxonomy of seven species of land-snails of the genus <i>Mesodon</i>. <em>Gastropodia.</em> 1(2): 19-20.
page(s): 20 [details]
basis of record 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): 92 [details]
page(s): 20 [details]
basis of record 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): 92 [details]
