Just testing out the new easier upload of images to blogs that John added last night. Here is a Thick Top Shell that Seth and I found in abundnance at Chesil Beach and within one specifica area of the Worm's Head. We didn't see any of the usually much commoner Purple and Grey Top Shells there. The Tick Top Shell is bigger, broader, more conical at the top, has suggestions of steps and to my eye was a neater looking creature than Purple and Grey. Having a western distribution, I'd never seen it before as it doesn't come as far east as Brighton it would seem.
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