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Genus of mollusc From Wikipedia, the free encyclopedia
Helicostoa is a monotypic genus of freshwater snail, an aquatic gastropod mollusc in the order Littorinimorpha containing the single species Helicostoa sinensis.[3]
Helicostoa | |
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Syntypes of Helicostoa sinensis. | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
(unranked): | |
Superfamily: | |
Family: | Helicostoidae Pruvot-Fol, 1937[1] |
Genus: | Helicostoa Lamy, 1926[2] |
Species: | H. sinensis |
Binomial name | |
Helicostoa sinensis Lamy, 1926[2] | |
Helicostoa is also the only genus in the family Helicostoidae.[4] According to taxonomy of the Gastropoda by Bouchet & Rocroi (2005) the family Helicostoidae has no subfamilies.
Helicostoa sinensis was previously tentatively placed within the superfamily Rissooidea.[3] and before that it was in the superfamily Vermetoidea.[3]
Helicostoa sinensis is only found in China,[4] more specifically in the Yangtze River.[3]
This freshwater snail lives attached or bonded to blocks of limestone.[4]
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