''Margarya mansuyi'' is a species of large operculate

freshwater snail Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs ...

, an aquatic

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk in the family

Viviparidae Viviparidae, sometimes known as the river snails or mystery snails, are a family of large operculate freshwater snails, aquatic gastropod mollusks. This family is classified in the informal group Architaenioglossa according to the taxonomy of ...

, the river snails.

Distribution

The distribution of ''Margarya mansuyi'' includes

Xingyun Lake Xingyun Lake () also known as Jiangchuan Sea (), is a plateau lake in Yunnan Province, China. The Xingyun Lake and the Fuxian Lake Fuxian Lake () stretches out through Chengjiang, Jiangchuan and Huaning Counties in Yunnan Province, spanning ...

and Qilu Lake in Yunnan Province,

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

."The IUCN Red List of Threatened Species 2009 update. Mollusc Facts"
5 pp., accessed 14 September 2010. The former distribution of this species also included Yilong Lake, Dian Lake and Datunhai Lake ( Datun Lake).

Description

Shu et al. (2010) provided details about the shell and about the

radula The radula (, ; plural radulae or radulas) is an anatomical structure used by molluscs for feeding, sometimes compared to a tongue. It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food ...

.Shu F., Köhler F. & Wang H. (2010). "On the shell and radular morphology of two endangered species of the genus ''Margarya'' Nevill, 1877 (Gastropoda: Viviparidae) from lakes of the Yunnan Plateau, Southwest China." ''Molluscan Research'' 30(1): 17-24.

References

Viviparidae {{Viviparidae-stub