Tchangmargarya yangtsunghaiensis

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

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

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]