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438 Views 5 Replies Last post: May 28, 2014 9:19 PM by RichardF RSS
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May 26, 2014 11:00 PM

Unknown fossil

I found this fossil ? in a bed of red sandstone in Somerset recently, strangly by the side of the A38 Bridgewater Road. It is approx. 18 x 10 x 5 cms. and is sandstone with calcite (?) crystalls on one edge and on the top side numerous tubular 'stems'' arranged in a fan like array. On one end there is a batch of 'stems' end-on. There are a number of bits of crinoid stem on the underside, buried in what is mainly consolidated sand. I have struggled to find any fossilised crinoids, corals or sponges that look like this item. Below are 5 photos of the main areas.  Please help!P1090422.JPGP1090426.JPGP1090440.JPGP1090453.JPGP1090429.JPG

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    May 27, 2014 10:28 AM (in response to RichardF)
    Re: Unknown fossil

    Hi Richard,

     

     

    It's either a coral or a bryozoan.  I think coral is most likely, though I'm not sure.  Crinoid is also a possibility, but I doubt it.

     

     

    I have attached an image of a similar coral fossil which I found in Whitby.

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        May 27, 2014 6:05 PM (in response to RichardF)
        Re: Unknown fossil

        Richard,

         

        Dan's photo is a coral alright; along the lines of Lithostrotion.

        Ediacaran fauna in Whitby would be a turn-up for the books (as I guess you know, from your exclamation mark!)

         

        And I think Dan's right in that yours could be similar.

        What structure can you see end-on in any one of them? (I hope out of all that lot, there is at least one that might show some internal structure).

         

        Mike

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    May 27, 2014 8:39 PM (in response to RichardF)
    Re: Unknown fossil

    Hello Richard, very nice find.

    I agree with Dan and Mike as to it probably being a coral, but whatever it is you very rarley find a specimen like yours that is 'self prepped'.

    Nature has erroded the matrix from around the fossil to show how good it is.

    Well done.

     

    Tabfish

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