Anisus septemgyratus
| Anisus septemgyratus | |
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| shells of Anisus septemgyratus | |
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| Species: | A. septemgyratus
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| Binomial name | |
| Anisus septemgyratus (Rossmässler, 1835)[2]
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Planorbis septemgyratus Rossmässler, 1835 | |
Anisus septemgyratus is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Taxonomy
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.
Horsák et al. (2013)[5] consider Anisus calculiformis (Sandberger, 1874) as a synonym of Anisus septemgyratus.
Distribution
This species occurs in countries and islands including:
- Czech Republic[6][5] - in Moravia, critically endangered (CR)[7]
- Slovakia[6][5]
- Poland
- British Isles
- ...
Description
The number of prostate diverticles ranges from 30 to more than 50.[4]
References
- ^ The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 22 February 2015.
- ^ Rossmässler E. A. (1835-1837). Iconographie der Land- und Süßwasser-Mollusken, mit vorzüglicher Berücksichtigung der europäischen noch nicht abgebildeten Arten. Erster Band. - Heft 1: 132 pp., 30 tables. - Heft 1, page 106, table 2, fig. 64
- ^ (in German) Glöer P. (2002). Die Süßwassergastropoden Nord- und Mitteleuropas. Die Tierwelt Deutschlands, ConchBooks, Hackenheim, 326 pp., ISBN 3-925919-60-0, page 254-263.
- ^ a b Glöer P. & Meier-Brook C. (2008). "Redescription of Anisus septemgyratus (Rossmässler, 1835) and Anisus leucostoma (Millet, 1813) (Gastropoda: Planorbidae)". Mollusca 26(1): 89-94.
- ^ a b c Horsák M., Juřičková L. & Picka J. (2013). Měkkýši České a Slovenské republiky. Molluscs of the Czech and Slovak Republics. Kabourek, Zlín, 264 pp.
- ^ a b (in Czech) Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF.
- ^ Red List of the molluscs (Mollusca) of the Czech Republic
External links
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