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Whitby fossil id please for newbie


Hoxo

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Hi and welcome to the forum!

 

It's not a fossil I'm afraid but a series of U-shaped modern worm burrows, Polydora ciliata or similar. You often find them along fine cracks and joints in intertidal rock exposures, frequently damaging actual fossils. :)

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Tarquin

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I agree with Alan and Tarquin. They would be polychaete worm borigs, trace fossils which might be close to Caulostrepsis or Maeandropolydora ichnogenus.

 

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excerpt from here

 

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excerpt from here

 

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" We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. "

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These are definitely modern though, very common on the coast - they're often found with live worms in them if you break the rock...

Tarquin

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That's amazing. The fact that a worm can make burrows into a hard rock. Fascinating. Will go break it open and see if there are live worms in there. 

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