Erhaia
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| Erhaia | |
|---|---|
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| Erhaia | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Amnicolidae |
| Genus: | Erhaia Davis & Kuo in Davis, Kuo, Hoagland, Chen, Yang & Chen, 1985[1] |
Erhaia is a genus of small to minute[2] freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Amnicolidae.
Erhaia is the type genus of the tribe Erhaiini, which is now a synonym of the subfamily Amnicolinae.[3]
Erhaia (also within the tribe Erhaiini) was originally described as a genus within the Pomatiopsidae in 1985,[1] but Wilke et al. (2000, 2001) moved it to the Amnicolidae.[4][5]
The distribution of Erhaia includes southern China and India.[6] The center of biodiversity of Erhaia in China is located in the provinces of Hunan, Hubei and Sichuan.[2] Distribution also includes Fujian Province.[2] There is also scattered occurrences of Erhaia in Yunnan Province.[2] These snails live in the Yangtze River drainage and in the Mekong River drainage (1 species).[6]