Tchangmargarya multilabiata

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

Distribution
This species appear to be endemic to lakes in Stone Forest, e.g. Lake Changhu, Lake Yuehu and Lake Guangtangzi in Yunnan Province in the China.

Description
Zhang et al. (2015) provided details about the shell and about the radula.