Anisus calculiformis
| Anisus calculiformis | |
|---|---|
 | |
| Shell of Anisus calculiformis | |
| Conservation status | |
| NE[1] | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia clade Euthyneura clade Panpulmonata clade Hygrophila |
| Superfamily: | Planorboidea |
| Family: | Planorbidae |
| Subfamily: | Planorbinae |
| Tribe: | Planorbini |
| Genus: | Anisus |
| Subgenus: | Anisus |
| Species: | A. calculiformis |
| Binomial name | |
| Anisus calculiformis (Sandberger, 1874)[2] | |
| Synonyms | |
|
Anisus septemgyratus auct. (not Rossmässler) | |
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.
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.
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
- ↑ 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 27 June 2007.
- ↑ 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).
- ↑ Red List of the molluscs (Mollusca) of the Czech Republic