Segmentina nitida, the shining ram's-horn snail, is a species of small, air-breathing, freshwater snail. Taxonomically, the S. nitida is an aquatic gastropod mollusc or micromollusc in the family Planorbidae, commonly called 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.Janus, Horst, 1965. The young specialist looks at land and freshwater molluscs. Burke, London.
The maximum shell diameter is about 7 mm.
Habitat This species lives in water weeds, in ponds and marsh drainage ditches. It is uncommon to rare.
Distribution This species occurs in countries and islands including: Czech Republic - vulnerable (VU)Juřičková L., Horsák M. & Beran L. (2001). "Check-list of the molluscs (Mollusca) of the Czech Republic". Acta Soc. Zool. Bohem. 65: 25-40. British Isles - listed in List of endangered species in the British Isles. Great Britain in England - endangered (EN)UK Biodiversity Action Plan Germany - endangered (gefährdet) Glöer P. & Meier-Brook C. (2003). Süsswassermollusken. DJN, pp. 134, page 109, Latvia Netherlands Poland Slovakia
References
External links
Photos of Segmentina nitida