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4192 Views 2 Replies Last post: Sep 1, 2010 2:23 PM by SeaPie RSS
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Aug 29, 2010 7:29 PM

4mm long 'pin' in sea worm casing

I found sea worm casings on a beach in Northumberland. As well as sand grains, some had small shells attached. Can anyone identify the pin-shaped thing attached near the base of this tube. The photo doesn't show that it was ribbed, so i have included a sketch.




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