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302 Views 2 Replies Last post: Dec 2, 2013 7:04 AM by Dan RSS
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Dec 1, 2013 6:17 PM

Brachiopod with worm burrowings

Hi,

 

 

I recently started a discussion on this website called mallorca fossil identification please.  I asked what the worm things were in this brachiopod and you said they are in fact worm burrowings.  I was just wondering, is it rare to to find brachiopods with worm burrowings?  The reason I am asking this question is because I was looking on a fossils website, and they had an ammonite with worm burrowings, which they described as very rare, but it was older than mine ( jurassic) and mine is neogene.

 

Could someone who specialises or knows a lot about brachiopods, like mike answer this question?  Also is it in limestone or a different type of rock?

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    Dec 1, 2013 10:07 PM (in response to Dan)
    Re: Brachiopod with worm burrowings

    Hi Dan

    Ammonites with worm burrowings are hard to find because they usually come from below the tide line and have spent some time in the marine environment.

    I recently posted some images of ammonites that had suffered from these critters but I cannot find the message that I posted them in - so I have attached some images below of an ammonite that nature almost took back!

    The ammonite is a Dactylioceras tenuicostatum, it measures over 10cm from the Lower Jurassic, Upper Lias and is about 200 million years old.

     

    Tabfish

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