Anisus leucostoma | |
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Shells of Anisus leucostoma | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Heterobranchia |
Superorder: | Hygrophila |
Family: | Planorbidae |
Genus: | Anisus |
Species: | A. leucostoma
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Binomial name | |
Anisus leucostoma | |
Synonyms | |
Planorbis leucostoma Millet, 1813 |
Anisus leucostoma is a European species of small air-breathing freshwater snail, an aquatic pulmonate gastropod in the family Planorbidae, the ram's horn snails and their allies.
Glöer (2002)[3] considered Anisus septemgyratus (Rossmässler, 1835) as a junior synonym of Anisus leucostoma (Millet, 1813). Later Glöer & Meier-Brook (2008)[4] used name Anisus septemgyratus again.
Anisus leucostoma may be a narrow-whorled morphotype of Anisus spirorbis.[5]
The shell of this species is about 8 mm in maximum dimension, usually planispiral and tightly coiled, with a white rib in the aperture.[6]
This species occurs in countries and islands including: