Segmentina nitida

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.

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)

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