{{Short description|Genus of gastropods}} {{Automatic taxobox | image = | image_caption = | taxon = Tchangmargarya | authority = He, 2013<ref name="He 2013">{{cite journal | last1 = He | first1 = J | year = 2013 | title = A conchological review of Margarya-complex (Gastropoda: Viviparidae)". | journal = Shell Discoveries | volume = 2 | pages = 2–15 }}</ref> | synonyms= ''Margarya (Tchangmargarya)'' <small>He, 2013</small> | diversity_link = | diversity = 2 species | diversity_ref = <ref name="Zhang 2015">{{cite journal | last1 = Zhang | first1 = L. J. | last2 = Chen | first2 = S. C. | last3 = Yang | first3 = L. T. | last4 = Jin | first4 = L. | last5 = Köhler | first5 = F. | year = 2015 | title = Systematic revision of the freshwater snail Nevill, 1877 (Mollusca: Viviparidae) endemic to the ancient lakes of Yunnan, China, with description of new taxa | journal = Zoological Journal of the Linnean Society | volume = 174 | issue = 4| pages = 760–800 | doi = 10.1111/zoj.12260 | doi-access = }}</ref> }}
'''''Tchangmargarya''''' is a genus of large operculate freshwater snails, aquatic gastropod molluscs in the family Viviparidae.<ref name="Zhang 2015"/>
==Taxonomy== ''Tchangmargarya'' originally was a subgenus of ''Margarya'',<ref name="He 2013"/> and is elevated to a full genus based on molecular phylogeny and comparative morphology study.<ref name="Zhang 2015"/>
==Distribution== This genus appear to be endemic to Yangzong Lake and lakes in Stone Forest in Yunnan Province in the China.
==Species== There are 3 extant species of ''Tchangmargarya'':<ref name="Zhang 2015"/>
* ''Tchangmargarya yangtsunghaiensis'' <small>(Tchang & Tsi, 1949)</small> -type species <ref>Di L., Jiang Y., Min W., Yeuing L., Aldridge D. & McIvor A. (2008). [http://www.iucnredlist.org/apps/redlist/details/168215/0 ''Margarya yangtsunghaiensis'']. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.3. <www.iucnredlist.org>. Downloaded on 14 September 2010.</ref><ref name="Zhang 2015"/>(possibly extinct) * ''Tchangmargarya multilabiata'' <small>Zhang & Chen, 2015</small> <ref name="Zhang 2015"/> * ''Tchangmargarya ziyi'' <small>Zhang, 2017</small> (possibly extinct)
==References== {{Reflist}}
==External links== * {{cite journal | last1 = Tchang | first1 = X. | last2 = Tsi | first2 = Z. Y. | year = 1949 | title = A revision of the genus ''Margarya'' of the family Viviparidae | journal = Contributions from the Institute of Zoology, National Academy of Peiping | volume = 5 | pages = 1–26 }}
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Category:Viviparidae Category:Gastropod genera
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