# Pincerna

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{{Short description|Genus of gastropods}}
{{Automatic taxobox
|image= Pincerna thieroti (MNHN-IM-2000-31799) 003.jpeg
|image_caption= Shell of ''Pincerna thieroti'' (syntype at MNHN, Paris)
|taxon= Pincerna
|authority= [Preston](/source/Hugh_Berthon_Preston), 1907
|type_species= ''Alycaeus (Pincerna) liratula'' <small>Preston, 1907</small>
|synonyms_ref={{r|WoRMS}}
|synonyms=
* ''Alycaeus (Cycloryx)'' <small>Godwin-Austen, 1914</small>
* ''Alycaeus (Pincerna)'' <small>Preston, 1907</small> (original rank)
* ''Cycloryx'' <small>Godwin-Austen, 1914</small>
|display_parents= 3
}}

'''''Pincerna''''' is a [genus](/source/genus) of air-breathing [land snail](/source/land_snail)s in the family [Alycaeidae](/source/Alycaeidae).<ref name="WoRMS">MolluscaBase eds. (2021). MolluscaBase. Pincerna Preston, 1907. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=996200 on 2022-01-16</ref>

==General characteristics==
(Original description) The shell is alycaeiform. The [operculum](/source/Operculum_(gastropod)) is horny, being convex below and concave above, and it bears a hollow protuberance in the center of its upper surface. This protuberance is shaped like a circular cup, the margin of which is slightly reflexed outwards. <ref>[https://www.biodiversitylibrary.org/page/15797672  Preston, H. B. (1907). Description of a new subgenus and species of Alycaeus from Ke-Lan-Tan. Proceedings of the Malacological Society of London. 7: 206] {{source-attribution}}</ref>

==Species==
* ''[Pincerna acroptychia](/source/Pincerna_acroptychia)'' <small>Páll-Gergely, 2023</small>
* ''[Pincerna anceyi](/source/Pincerna_anceyi)'' <small>(J. Mabille, 1887)</small>
* ''[Pincerna costulosus](/source/Pincerna_costulosus)'' <small>(Bavay & Dautzenberg, 1912)</small>
* ''[Pincerna crenilabris](/source/Pincerna_crenilabris)'' <small>(Möllendorff, 1897)</small>
* ''[Pincerna globosus](/source/Pincerna_globosus)'' <small>(H. Adams, 1871)</small>
* ''[Pincerna liratula](/source/Pincerna_liratula)'' <small>(Preston, 1907)</small>
* ''[Pincerna maolanensis](/source/Pincerna_maolanensis)'' <small>(T.-C. Luo, W.-H. Zhang & W.-C. Zhou, 2009)</small>
* ''[Pincerna mouhoti](/source/Pincerna_mouhoti)'' <small>(L. Pfeiffer, 1863)</small>
* ''[Pincerna thieroti](/source/Pincerna_thieroti)'' <small>(de Morgan, 1885)</small>
* ''[Pincerna vanbuensis](/source/Pincerna_vanbuensis)'' <small>(Bavay & Dautzenberg, 1900)</small>
* ''[Pincerna viginticostatus](/source/Pincerna_viginticostatus)'' <small>Páll-Gergely, 2023</small>
* ''[Pincerna yaanensis](/source/Pincerna_yaanensis)'' <small>Z.-G. Chen, 2022</small>
* ''[Pincerna yanseni](/source/Pincerna_yanseni)'' <small>Páll-Gergely, 2017</small>

;Synonyms:
* ''Pincerna bembex'' <small>(Benson, 1859)</small>: synonym of ''[Cycloryx bembex](/source/Cycloryx_bembex)'' <small>(W. H. Benson, 1859)</small> (superseded combination)
* ''Pincerna burrailensis'' <small>(Godwin-Austen, 1914)</small>: synonym of ''[Cycloryx burrailensis](/source/Cycloryx_burrailensis)'' <small>(Godwin-Austen, 1914)</small> (unaccepted > superseded combination)
* ''Pincerna constricta'' <small>(Benson, 1851)</small>: synonym of ''[Cycloryx constrictus](/source/Cycloryx_constrictus)'' <small>(W. H. Benson, 1851)</small> (superseded combination)
* ''Pincerna costata'' <small>(Godwin-Austen, 1914)</small>: synonym of ''[Cycloryx costatus](/source/Cycloryx_costatus)'' <small>(Godwin-Austen, 1914)</small> (unaccepted > superseded combination)
* ''Pincerna difficilis'' <small>(Godwin-Austen, 1914)</small>: synonym of ''[Cycloryx graphicus](/source/Cycloryx_graphicus)'' <small>(Blanford, 1862)</small> (unaccepted > junior subjective synonym)
* ''Pincerna elegans'' <small>(Godwin-Austen, 1914)</small>: synonym of ''[Cycloryx elegans](/source/Cycloryx_elegans)'' <small>(Godwin-Austen, 1914)</small> (unaccepted > superseded combination)
* ''Pincerna granum'' <small>(Godwin-Austen, 1893)</small>: synonym of ''[Cycloryx granum](/source/Cycloryx_granum)'' <small>(Godwin-Austen, 1893)</small> (superseded combination)
* ''Pincerna graphiaria'' <small>(Godwin-Austen, 1914)</small>: synonym of ''Pincerna graphiarius'' <small>(Godwin-Austen, 1914)</small> : synonym of ''[Cycloryx margarita](/source/Cycloryx_margarita)'' <small>(Theobald, 1874)</small> (incorrect grammatical agreement of specific epithet)
* ''Pincerna graphica'' <small>(W. T. Blanford, 1862)</small>: synonym of ''[Cycloryx graphicus](/source/Cycloryx_graphicus)'' <small>(Blanford, 1862)</small> (incorrect grammatical agreement of specific epithet)
* ''Pincerna khunhoensis'' <small>(Godwin-Austen, 1914)</small>: synonym of ''[Cycloryx elegans](/source/Cycloryx_elegans)'' <small>(Godwin-Austen, 1914)</small> (unaccepted > junior subjective synonym)
* ''Pincerna major'' <small>(Godwin-Austen, 1893)</small>: synonym of ''[Cycloryx major](/source/Cycloryx_major)'' <small>(Godwin-Austen, 1893)</small> (superseded combination)
* ''Pincerna margarita'' <small>(Theobald, 1874)</small>: synonym of ''[Cycloryx margarita](/source/Cycloryx_margarita)'' <small>(Theobald, 1874)</small> (superseded combination)
* ''Pincerna multicostulata'' <small>(Godwin-Austen, 1914)</small>: synonym of ''[Cycloryx granum](/source/Cycloryx_granum)'' <small>(Godwin-Austen, 1893)</small> (unaccepted > junior subjective synonym)
* ''Pincerna otiphorus'' <small>(Benson, 1859)</small>: synonym of ''[Cycloryx otiphorus](/source/Cycloryx_otiphorus)'' <small>(W. H. Benson, 1859)</small> (superseded combination)
* ''Pincerna paucicostata'' <small>(Godwin-Austen, 1914)</small>: synonym of ''[Cycloryx paucicostatus](/source/Cycloryx_paucicostatus)'' <small>(Godwin-Austen, 1914)</small> (unaccepted > superseded combination)
* ''Pincerna summa'' <small>(Godwin-Austen, 1914)</small>: synonym of ''[Cycloryx otiphorus](/source/Cycloryx_otiphorus)'' <small>(W. H. Benson, 1859)</small> (junior subjective synonym)
* ''Pincerna tenella'' <small>(Godwin-Austen, 1914)</small>: synonym of ''Pincerna tenellus'' <small>(Godwin-Austen, 1914)</small>: synonym of ''[Cycloryx tenellus](/source/Cycloryx_tenellus)'' <small>(Godwin-Austen, 1914)</small> (incorrect grammatical agreement of specific epithet)
* ''Pincerna thompsoni'' <small>(Godwin-Austen, 1914)</small>:  synonym of ''[Cycloryx major](/source/Cycloryx_major)'' <small>(Godwin-Austen, 1893)</small> (junior objective synonym)
* ''Pincerna vallis'' <small>Z.-Y. Chen & M. Wu, 2020</small>: synonym of ''[Pincerna costulosus](/source/Pincerna_costulosus)'' <small>(Bavay & Dautzenberg, 1912)</small> (unaccepted > junior subjective synonym)

==References==
{{Reflist}}

==External links==
{{Commons category}}
* [https://www.biodiversitylibrary.org/page/13069144 Godwin-Austen, H. H. (1882-1920). Land and freshwater Mollusca of India, including South Arabia, Baluchistan, Afghanistan, Kashmir, Nepal, Burmah, Pegu, Tenasserim, Malay Peninsula, Ceylon, and other islands of the Indian Ocean. Supplementary to Messrs. Theobald and Hanley's Conchologia Indica. London, Taylor & Francis]
* [https://zookeys.pensoft.net/article/53583/ Páll-Gergely, B., Sajan, S., Tripathy, B., Meng, K., Asami, T. & Ablett, J.D. (2020). Genus-level revision of the Alycaeidae (Gastropoda: Cyclophoroidea), with an annotated species catalog. ZooKeys. 981: 1–220]

{{Taxonbar|from=Q106649391}}

Category:Alycaeidae
Category:Taxa named by Hugh Berthon Preston

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Adapted from the Wikipedia article [Pincerna](https://en.wikipedia.org/wiki/Pincerna) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Pincerna?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.