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Tchangmargarya
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Architaenioglossa
Family:	Viviparidae
Subfamily:	Bellamyinae
Genus:	Tchangmargarya He, 2013
Diversity
2 species
Synonyms
Margarya (Tchangmargarya) He, 2013

Tchangmargarya is a genus of large operculate freshwater snails, aquatic gastropod molluscs in the family Viviparidae.

Taxonomy

Tchangmargarya originally was a subgenus of Margarya, and is elevated to a full genus based on molecular phylogeny and comparative morphology study.

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:

• Tchangmargarya yangtsunghaiensis (Tchang & Tsi, 1949) -type species (possibly extinct)
• Tchangmargarya multilabiata Zhang & Chen, 2015
• Tchangmargarya ziyi Zhang, 2017 (possibly extinct)

References

1. ^ He, J (2013). "A conchological review of Margarya-complex (Gastropoda: Viviparidae)"". Shell Discoveries. 2: 2–15.
2. ^ Zhang, L. J.; Chen, S. C.; Yang, L. T.; Jin, L.; Köhler, F. (2015). "Systematic revision of the freshwater snail Nevill, 1877 (Mollusca: Viviparidae) endemic to the ancient lakes of Yunnan, China, with description of new taxa". Zoological Journal of the Linnean Society. 174 (4): 760–800. doi:10.1111/zoj.12260.
3. Di L., Jiang Y., Min W., Yeuing L., Aldridge D. & McIvor A. (2008). Margarya yangtsunghaiensis. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.3. <www.iucnredlist.org>. Downloaded on 14 September 2010.

External links

• Tchang, X.; Tsi, Z. Y. (1949). "A revision of the genus Margarya of the family Viviparidae". Contributions from the Institute of Zoology, National Academy of Peiping. 5: 1–26.

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