Segmentina nitida
| Segmentina nitida | |
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| Apical view of a shell of Segmentina nitida | |
NE[1]
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| Species: | 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]
- Latvia
- Netherlands[6]
- Poland
- Slovakia
References
- ^ 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 5 March 2007.
- ^ a b c 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 "Archived copy". Archived from the original on 2007-02-27. Retrieved 2007-03-05.
{{cite web}}: CS1 maint: archived copy as title (link) - ^ (in German) Glöer P. & Meier-Brook C. (2003). Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
- ^ "Anemoon > Flora en Fauna > Soorteninformatie". www.anemoon.org.
External links
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