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Petrified wood with grubs


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Jk visitor

 Around 40 years ago my dad dug up this fossil, he worked in construction so it was likely not in the original location but perhaps in an old garden or waste pit. As a child I broke off the large grub, sorry! I was trying to get a closer look. Just wondered where this might have originated, what the insects were and what type of stone now inhabits their bodies, is it quartz? Found in England (Bedfordshire, Buckinghamshire area)

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Edited by Jk visitor
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Mahnmut

Hello and welcome to the forum, Jk Visitor!

That looks like an interesting fossil.

In order to tell more about the grubs it would be important to have sharp closeup photos, especially of the ones still in the wood. (the parts that stick out I mean.)

 

Best regards,

J

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Al Dente

It does look like burrowed wood. The shape and size is more consistent with Pholad clam burrows than grub burrows.

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FossilNerd

Very cool piece! Not sure those are actually grubs you have there. I agree with @Mahnmut. Close and clear photos would be needed to attempt any sort of ID on them.

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Fossilis Willis

I think @Al Dente is on to something. Try an internet search for "teredo wood".

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IsaacTheFossilMan

Very interesting piece! We'd 100% need to see better photos, I think Al Dente is on the right tracks, too. Driftwood?

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Rockwood

These look like the critters (pholad bivalves)to me.

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abyssunder

Could be Teredolites.

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Lone Hunter

Just for comparison, this is driftwood with burrows in it, you can barely make out the tiny clams and what's left of them in dark holes. 

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Jk visitor

Thanks guys, I've googled the boring clams and can see similar markings on the creature so I think that ID is spot on. And closer inspection of one hole reveals the cracked remains of a bivalve shell, will attempt to add photo. This has given the fossil a whole new perspective to me, it's so interesting so thanks for replying.

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