Segmentina nitida
| Segmentina nitida | |
|---|---|
| Apical view of a shell of Segmentina nitida | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| 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 small, air-breathing, freshwater snail, an aquatic gastropod mollusc or micromollusc 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.[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
- ^ 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 "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