Roger S Key:
Shining Ramshorn Snail Segmentina nitida Suffolk UK
Roger S Key:
Sandbowl Snail Catinella arenaria - Braunton Burrows, Devon, UK
Roger S Key:
Sandbowl Snail Catinella arenaria - Braunton Burrows, Devon, UK
Roger S Key:
Des Moulin's Whorl Snail Vertigo moulinsiana, Kennet Valley, Berks, UK