Tchangmargarya yangtsunghaiensis

Tchangmargarya yangtsunghaiensis
	Shell of Tchangmargarya yangtsunghaiensis.
Conservation status
	; Critically Endangered (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda; informal group Architaenioglossa
Superfamily:	Viviparoidea
Family:	Viviparidae
Genus:	Tchangmargarya
Species:	T. yangtsunghaiensis
Binomial name
	Tchangmargarya yangtsunghaiensis; (Tchang & Tsi, 1949)
Synonyms
	Margarya yangtsunghaiensis Tchang & Tsi, 1949

Tchangmargarya yangtsunghaiensis is a species of large operculate freshwater snail, an aquatic gastropod mollusk in the family Viviparidae, the river snails.

This species used to be assigned to Margarya, and is the type species of Tchangmargarya.[2]

Distribution

The distribution of Tchangmargarya yangtsunghaiensis includes Yangzong Lake in Yunnan Province, China.[1][2]

Description

The diploid chromosome number of Tchangmargarya yangtsunghaiensis is 2n=24.[3] Zhang et al. (2015) provided details about the shell and about the radula.[2]

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References

Di L., Jiang Y., Min W., Yeuing L., Aldridge D. & McIvor A. (2008). Tchangmargarya yangtsunghaiensis. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.3. <www.iucnredlist.org>. Downloaded on 14 September 2010.
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.
(in Chinese) Chen Y. X., Zhang N. G., Zhang W. & Li J. K. (1996). "The karyotype study of Margarya yaungtsunghaiensis and M. melanioides (Viviparidae)". Zoological Research 17: 94-96. (In Chinese with English abstract)

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[IUCN_2010-1] Di L., Jiang Y., Min W., Yeuing L., Aldridge D. & McIvor A. (2008). Tchangmargarya yangtsunghaiensis. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.3. <www.iucnredlist.org>. Downloaded on 14 September 2010.

[Zhang_2015-2] 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] (in Chinese) Chen Y. X., Zhang N. G., Zhang W. & Li J. K. (1996). "The karyotype study of Margarya yaungtsunghaiensis and M. melanioides (Viviparidae)". Zoological Research 17: 94-96. (In Chinese with English abstract)