British Vertigos » Family: Vertiginidae » Direction of coiling » Is the mouth lip thickened? » Truncatellina or Vertigo? » Separating Vertigo genesii » Separating by size » Separating V. substriata » Separating V. antivertigo » Separating V. pygmaea » Separating V. lilljeborgi
Separating Vertigo lilljeborgi
Vertigo lilljeborgi (Westerlund, 1871)
Description: Shell relatively broad, almost ovoid; with 5 strongly tumid whorls, the last well-rounded and relatively large; mouth-edge delicate, with a transverse furrow just before the aperture.
Habitat: Saturated decaying vegetation in marshes and alder fens at the margins of lakes and rivers usually in places subject to flooding.
Shell narrower with no transverse furrow just before the aperture.
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