| Segmentina nitida | |
|---|---|
 | |
| Apical view of a shell of Segmentina nitida | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Superorder: | Hygrophila |
| Family: | Planorbidae |
| Genus: | Segmentina |
| Species: | S. nitida |
| Binomial name | |
| Segmentina nitida (O. F. Müller, 1774) | |
Segmentina nitida, the shining ram's-horn snail, is a species of minute, air-breathing, freshwater snail, an aquatic gastropod mollusc or micromollusc in the family Planorbidae, the ramshorn snails.
Description
Drawing showing three views of a shell of Segmentina nitida
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.[1]
The maximum shell diameter is about 7 mm.[1]
Habitat
This species lives in water weeds, in ponds and marsh drainage ditches. It is uncommon to rare.[1]
Distribution
This species occurs in countries and islands including:
- Czech Republic - vulnerable (VU)[2]
- British Isles - listed in List of endangered species in the British Isles.
- Great Britain in England - endangered (EN)[3]
- Germany - endangered (gefährdet)[4]
- Latvia
- Netherlands[5]
- Poland
- Slovakia
References
- 1 2 3 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 "Action plan for Segmentina nitida". Archived from the original on 2007-02-27. Retrieved 2007-03-05.
- ↑ (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
Media related to Segmentina nitida at Wikimedia Commons- Photos of Segmentina nitida
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