Segmentina nitida
| Segmentina nitida | |
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| File:Segmentina nitida.jpg | |
| Apical view of a shell of Segmentina nitida | |
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NE[1]
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S. nitida
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| Binomial name | |
| Segmentina nitida (O. F. Müller, 1774)
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The shining ram's-horn snail, Segmentina nitida, is a species of minute, air-breathing, freshwater snail, an aquatic gastropod mollusk or micromollusk in the family Planorbidae, the ramshorn snails.
Description
The shell of this species is sinistral in coiling and almost planispiral in shape. The spire is deeply sunken. The surface of the shell is glossy.[2]
The maximum shell diameter is about 7 mm.[2]
Habitat
This species lives in water weeds, in ponds and marsh drainage ditches. It is uncommon to rare.[2]
Distribution
This species occurs in countries and islands including:
- Czech Republic - vulnerable (VU)[3]
- British Isles - listed in List of endangered species in the British Isles.
- Great Britain in England - endangered (EN)[4]
- Germany - endangered (gefährdet)[5]
- Netherlands[6]
- Poland
- Slovakia
- Latvia
References
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Wikimedia Commons has media related to Segmentina nitida. |
- ↑ 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 5 March 2007.
- ↑ 2.0 2.1 2.2 Janus, Horst, 1965. The young specialist looks at land and freshwater molluscs. Burke, London.
- ↑ Juřičková L., Horsák M. & Beran L. (2001). "Check-list of the molluscs (Mollusca) of the Czech Republic". Acta Soc. Zool. Bohem. 65: 25-40.
- ↑ UK Biodiversity Action Plan http://www.ukbap.org.uk/UKPlans.aspx?ID=570
- ↑ (German) Glöer P. & Meier-Brook C. (2003). Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
- ↑ (Dutch) http://www.anemoon.org/anm/voorlopige-kaarten/kaarten-per-soort/zoetwatermollusken/wetenschappelijk/segmentina-nitida/
