MolluscaBase name details
Helix (Polygyra) Say, 1818
1083532 (urn:lsid:marinespecies.org:taxname:1083532)
unaccepted > superseded combination
Subgenus
Polygyra septemvolva Say, 1818 (type by subsequent designation)
- Species Helix (Polygyra) acutedentata W. G. Binney, 1857 accepted as Linisa acutedentata (W. G. Binney, 1857) (unaccepted > superseded combination)
- Species Helix (Polygyra) anilis Gabb, 1865 accepted as Linisa anilis (Gabb, 1865) (original combination)
- Species Helix (Polygyra) auriculata (Say, 1818) accepted as Daedalochila auriculata (Say, 1818) (unaccepted > superseded combination)
- Species Helix (Polygyra) behrii Gabb, 1865 accepted as Linisa behrii (Gabb, 1865) (unaccepted > superseded combination, basionym)
- Species Helix (Polygyra) contortuplicata H. Beck, 1837 (unaccepted > nomen nudum)
- Species Helix (Polygyra) couchiana I. Lea, 1857 accepted as Linisa ariadnae (L. Pfeiffer, 1849) (unaccepted > junior subjective synonym)
- Species Helix (Polygyra) deltoidea C. T. Simpson, 1888 accepted as Daedalochila deltoidea (C. T. Simpson, 1888) (unaccepted > superseded combination)
- Species Helix (Polygyra) heligmoidea A. d'Orbigny, 1835 accepted as Systrophia heligmoida (A. d'Orbigny, 1835) (unaccepted > superseded combination)
- Species Helix (Polygyra) hensaniensis Gredler, 1885 accepted as Moellendorffia hensaniensis (Gredler, 1885) (original combination)
- Species Helix (Polygyra) implicata E. von Martens, 1865 accepted as Linisa implicata (E. von Martens, 1865) (unaccepted > superseded combination)
- Species Helix (Polygyra) insularum H. Beck, 1837 (unaccepted > nomen nudum)
- Species Helix (Polygyra) loisa W. G. Binney, 1857 accepted as Linisa acutedentata (W. G. Binney, 1857) (unaccepted > junior subjective synonym)
- Species Helix (Polygyra) microdiscus Bavay, 1908 accepted as Stenopylis coarctata (Möllendorff, 1894) (junior synonym)
- Species Helix (Polygyra) mooreana W. G. Binney, 1857 accepted as Daedalochila mooreana (W. G. Binney, 1857)
- Species Helix (Polygyra) oppilata Morelet, 1849 accepted as Linisa oppilata (Morelet, 1849) (unaccepted > superseded combination)
- Species Helix (Polygyra) planorbiformis Sacco, 1886 † accepted as Protodrepanostoma planorbiforme (Sacco, 1886) † (unaccepted > superseded combination)
- Species Helix (Polygyra) plioauriculata Sacco, 1889 † accepted as Protodrepanostoma plioauriculatum (Sacco, 1889) † (unaccepted > superseded combination)
- Species Helix (Polygyra) solidens Mabille, 1895 accepted as Linisa anilis (Gabb, 1865) (junior synonym)
- Species Helix (Polygyra) tamaulipasensis I. Lea, 1857 accepted as Linisa tamaulipasensis (I. Lea, 1857) (unaccepted > superseded combination)
- Species Helix (Polygyra) tholus W. G. Binney, 1857 accepted as Daedalochila mooreana (W. G. Binney, 1857) (unaccepted > junior subjective synonym)
- Species Helix (Polygyra) triangularis Mabille, 1895 accepted as Linisa behrii (Gabb, 1865) (junior synonym)
- Species Helix (Polygyra) trisinuata E. von Martens, 1867 accepted as Moellendorffia trisinuata (E. von Martens, 1867) (unaccepted > superseded combination)
- Species Helix (Polygyra) espiloca Bland, 1860 represented as Polygyra espiloca (Bland, 1860) accepted as Daedalochila postelliana (Bland, 1859)
- Species Helix (Polygyra) lundii Mörch, 1871 (uncertain > unassessed)
(of Polygyra Say, 1818) 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]
page(s): 276-277 [details]
MolluscaBase eds. (2024). MolluscaBase. Helix (Polygyra) Say, 1818. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1083532 on 2025-04-03
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original description
(of Polygyra Say, 1818) 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]
basis of record Sacco, F. (1889). Aggiunte alla fauna malacologica estramarina fossile del Piemonte e della Ligura. <em>Memorie della Reale Accademia delle Scienze di Torino, Serie II.</em> 39 (1), 61-98., available online at https://www.biodiversitylibrary.org/page/43230615
page(s): 77 [details]
page(s): 276-277 [details]
basis of record Sacco, F. (1889). Aggiunte alla fauna malacologica estramarina fossile del Piemonte e della Ligura. <em>Memorie della Reale Accademia delle Scienze di Torino, Serie II.</em> 39 (1), 61-98., available online at https://www.biodiversitylibrary.org/page/43230615
page(s): 77 [details]