Anisus calculiformis

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Anisus calculiformis
Anisus septegyrus1pl.jpg
Shell of Anisus calculiformis
NE[1]
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Superorder: Hygrophila
Family: Planorbidae
Genus: 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.

The database WoRMS on the other hand considers this name a junior synonym of Anisus septemgyratus (Rossmässler, 1835) [3]

bottom of shell of Anisus calculiformis

Distribution[]

This species occurs in:

  • Czech Republic – in Moravia, critically endangered (CR)[4]
  • Poland
  • Slovakia
  • British Isles
  • ...

See also[]

References[]

  1. ^ 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 27 June 2007.
  2. ^ 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).
  3. ^ Anisus septemgyratus (Rossmässler, 1835)
  4. ^ Red List of the molluscs (Mollusca) of the Czech Republic

External links[]


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