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
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)

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
  • ...
gollark: http.cat is *such* a useful API.
gollark: https://http.cat/418
gollark: Sadly, discord blocks RTL thingies.
gollark: αβ
gollark: §

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. Red List of the molluscs (Mollusca) of the Czech Republic


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