Anisus calculiformis
Anisus calculiformis is a very small species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
| Anisus calculiformis | |
|---|---|
 | |
| Shell of Anisus calculiformis | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Superorder: | Hygrophila |
| Family: | Planorbidae |
| Genus: | Anisus |
| Species: | A. calculiformis |
| Binomial name | |
| Anisus calculiformis (Sandberger, 1874)[1] | |
| Synonyms | |
|
Anisus septemgyratus auct. (not Rossmässler) | |
Synonyms
Most authors misidentified Anisus calculiformis, applying the name Anisus septemgyratus to animals which are in reality Anisus calculiformis. So Anisus septemgyratus auct. (not Rossmässler) is synonymous with Anisus calculiformis.
The database WoRMS on the other hand considers this name a junior synonym of Anisus septemgyratus (Rossmässler, 1835) [2]
bottom of shell of Anisus calculiformis
Distribution
This species occurs in:
- Czech Republic – in Moravia, critically endangered (CR)[3]
- Poland
- Slovakia
- British Isles
- ...
See also
References
- Sandberger C. L. F. von. 1870–1875. Die Land- und Süsswasser-Conchylien der Vorwelt. pp. I-VIII [= 1–8], 1–1000, Taf. I-XXXVI [= 1–36], 1 Tabelle. Wiesbaden. (Kreidel).
- Anisus septemgyratus (Rossmässler, 1835)
- Red List of the molluscs (Mollusca) of the Czech Republic
External links
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