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Ossicle

Jurassic, Callovian, Oxford Clay, Peterborough Member, Yaxley, Cambridgeshire.

 

The closest thing I can think of to what this looks like is a belemnite, but the overall shape is wrong, and the cross-section is very wrong for belemnites I've found at this site and elsewhere. I haven't completely ruled that out though, and opinions would be appreciated.

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gastrochaenid mollusk burrow or abode. Boring clam.

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Try pholid as well.

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Ossicle

Thank you both, this is a completely new type of burrow for me from this site, and makes much more sense of the shape.

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I was recently enlightened that one can break the burrow and get a clam steinkern from it. Don't experiment with this unless you have a good quantity of course.

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Ossicle

Thank you, that's fascinating. At the moment I just have this one, so it will remain intact, but it's nice to know a steinkern might be preserved inside.

 

Quite a few things that had been in my collection unidentified have turned out to be burrows, and I'm starting to find them really interesting. 

 

 

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