''Erhaia'' is a
genus of small to minute
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 ...
s with a
gill and an
operculum,
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 ...
mollusks in the family
Amnicolidae.
''Erhaia'' is the
type genus of the tribe Erhaiini, which is now a synonym of the subfamily
Amnicolinae.
''Erhaia'' (also within the tribe Erhaiini) was originally described as a genus within the
Pomatiopsidae in 1985,
but Wilke et al. (2000, 2001) moved it to the Amnicolidae.
[Wilke T., Davis G. M., Gong X. & Liu H.-X. (2000). "''Erhaia'' (Gastropoda: Rissooidea): phylogenetic relationships and the question of ''Paragonimus'' coevolution in Asia". '' American Journal of Tropical Medicine and Hygiene'' 62(4): 453-459]
abstractPDF
[Wilke T., Davis G. M., Falniowski A., Giusti F., Bodon M. & Szarowska M. (2001). "Molecular systematics of Hydrobiidae (Mollusca: Gastropoda: Rissooidea): testing monophyly and phylogenetic relationships". '' Proceedings of the Academy of Natural Sciences of Philadelphia'' 151: 1-2]
JSTOR
Distribution
The distribution of ''Erhaia'' includes southern
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 ...
and
India.
The center of biodiversity of ''Erhaia'' in China is located in the provinces of
Hunan,
Hubei and
Sichuan.
Distribution also includes Fujian Province.
There is also scattered occurrences of ''Erhaia'' in
Yunnan Province.
These snails live in the
Yangtze River drainage and in the
Mekong River drainage (1 species).
Description
The length of the
shell of this species is up to 3.9 mm.
Species
Species within the genus ''Erhaia'' include:
* ''
Erhaia daliensis'' Davis & Kuo, 1985
* ''
Erhaia gongjianguoi'' (Kang, 1983)
* ''
Erhaia hubiensis
''Erhaia'' is a genus of small to minute freshwater snails with a gill and an Operculum (gastropod), operculum, Aquatic animal, aquatic gastropod mollusks in the family Amnicolidae.
''Erhaia'' is the type genus of the tribe Erhaiini, which is n ...
'' (Liu, Zhang & Wang, 1983)
* ''
Erhaia jianouensis
''Erhaia'' is a genus of small to minute 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 ...
'' (Liu & Zhang, 1979)
* ''
Erhaia kunmingensis
''Erhaia'' is a genus of small to minute 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 ...
'' Davis & Kuo, 1985
* ''
Erhaia lii'' (Kang)
* ''
Erhaia nainitalensis'' Davis & Rao, 1997
[Davis G. M. & Rao S. (1997). "Discovery of ''Erhaia'' (Gastropoda: Pomatiopsidae) in northern India with description of a new genus of Erhaiini from China". '' Proceedings of the Academy of Natural Sciences of Philadelphia'' 48: 273-299]
JSTOR
* ''
Erhaia robusta
''Erhaia'' is a genus of small to minute 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 ...
'' (Kang, 1986)
* ''
Erhaia sheminensis
''Erhaia'' is a genus of small to minute 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 Amni ...
''
* ''
Erhaia wangchuki
''Erhaia'' is a genus of small to minute 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 ...
'' Gittenberger, Sherub & Stelbrink, 2017
* ''
Erhaia wantanensis''
* ''
Erhaia wufengensis
''Erhaia'' is a genus of small to minute 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 ...
''
Synonyms:
* ''Erhaia chinensis'' Davis et al. 1985 and ''Erhaia chinensis'' Davis & Kang, 1995
[Davis G. M. & Kang Z. B. (1995). "Advances in the Systematics of ''Erhaia'' (Gastropoda: Pomatiopsidae) from the People's Republic of China". '' Proceedings of the Academy of Natural Sciences of Philadelphia'' 146: 391-427]
JSTOR
are synonyms of ''
Chencuia chinensis'' Liu & Zhang, 1979
Ecology
''Erhaia'' lives in streams in mountainous areas.
References
{{Taxonbar, from=Q5385852
Amnicolidae