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.

The shell of this species is sinistral in coiling and almost planispiral in shape.

[1] The maximum shell diameter is about 7 mm.

[1] This species lives in water weeds, in ponds and marsh drainage ditches.

[1] This species occurs in countries and islands including: