Tchangmargarya yangtsunghaiensis explained

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

This species used to be assigned to Margarya, and is the type species of Tchangmargarya.^[1]

Distribution

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

Description

The diploid chromosome number of Tchangmargarya yangtsunghaiensis is 2n=24.^[2] Zhang et al. (2015) provided details about the shell and about the radula.^[1]

Notes and References

1. 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 . . 174 . 4. 760–800 . 10.1111/zoj.12260 .
2. 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)