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610 Views 9 Replies Last post: Jan 3, 2018 4:47 PM by b.dixon@nhm.ac.uk RSS
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Dec 4, 2017 2:21 PM

Beautiful plate of fossils found

HI guys, so this fossil was found by me in a woodland area I hunt near my house. So far I've identified some star crinoid stems, some petrified wood, a Gastropod sticking out? And a partial black shark fin which is dotted, can anyone elaborate or identify anything else, I've also posted a picture of the geological composition of the area.

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    Dec 4, 2017 3:40 PM (in response to FossilCrazy)
    Re: Beautiful plate of fossils found

    Nice slab - agree with your observations

    Must be Scunthorpe Mudstone Formation, c.200my

    Can't ID the bivalves - will seek internal NHM input

    Capture.JPG

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        Jan 3, 2018 4:47 PM (in response to FossilCrazy)
        Re: Beautiful plate of fossils found

        Thanks for being patient.

         

        Yes, a beautiful specimen with a mixture of fossilised elements showing a shallow marine ecology.

         

        From the Museum’s bivalve specialist Noel Morris, regarding the predominant bivalve in the matrix: "Rather crushed but apparently an Astartid: possibly ? Coelastarte guexii (d’Orbigny).

         

        I hope this is helpful.

         

        Ben

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    Dec 4, 2017 4:38 PM (in response to FossilCrazy)
    Re: Beautiful plate of fossils found

    I don't what someone was referring to when they suggested stromatolites - perhaps you can point that out?

     

    Stromatolites still exist today - I have visited living ones in NW Australia (Shark Bay). 

    They are common at the end of the Jurassic in Dorset (Basal Purbeck).

    They would not live in the same conditions as crinoids however.

     

    I am not an experienced preparator but suggest you have done enough - you have a fine specimen which you have photographed well (apart from absence of a scale bar!)

     

    I have requested internal NHM advice on ID of the Bivalves.

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    Dec 4, 2017 5:21 PM (in response to FossilCrazy)
    Re: Beautiful plate of fossils found

    Do you know where this came from - look like oncolites but no scale...

    A very superficial resemblance to your bivalves maybe - but your rock has nothing like this

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