Margarya (Tchangmargarya) He, 2013 Tchangmargarya is a genus of large operculate freshwater snails, aquatic gastropod molluscs in the family Viviparidae.

[2] Tchangmargarya originally was a subgenus of Margarya,[1] and is elevated to a full genus based on molecular phylogeny and comparative morphology study.

[2] This genus appear to be endemic to Yangzong Lake and lakes in Stone Forest in Yunnan Province in the China.

There are 3 extant species of Tchangmargarya:[2]

This Viviparidae-related article is a stub.