British Vertigos » Family: Vertiginidae » Direction of coiling » Is the mouth lip thickened? » Truncatellina or Vertigo? » Separating Vertigo genesii
Separating out Vertigo genessii
Vertigo genesii (Gredler, 1856)
Description: Edentulous. Shell rather barrel-shaped; mouth edge scarcely thickened, outer lip just perceptively reflected. No external rib or flexure behind lip. Mouth rather rounded, without teeth, or occasionally with a vestigial parietal denticle only. Shell pale reddish-brown, very smooth and glossy.
Habitat: Marshy ground: characteristic of calcareous flushes on mountain hillsides.
With distinct apertural teeth.
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