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    unusual brachiopod/bivalve found at Runswick Bay 21.10.12 can anyone identify?

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    jasonturl
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    unusual brachiopod/bivalve found at Runswick Bay 21.10.12 can anyone identify?

    Post  jasonturl on Mon Oct 22, 2012 9:18 pm


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    Re: unusual brachiopod/bivalve found at Runswick Bay 21.10.12 can anyone identify?

    Post  Guest on Thu Oct 25, 2012 8:06 pm

    I have had no luck so far, I shall not give up though

    jasonturl
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    Thanks - here's a couple more pictures I forgot to post

    Post  jasonturl on Thu Oct 25, 2012 10:15 pm

    the underside mostly showing the fracture from the substrate

    and another top view
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    pendlebury
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    Re: unusual brachiopod/bivalve found at Runswick Bay 21.10.12 can anyone identify?

    Post  pendlebury on Thu Oct 25, 2012 10:52 pm

    The structure looks very out off place , almost seed like.

    jasonturl
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    actually my first thought was that it was a leaf

    Post  jasonturl on Fri Oct 26, 2012 2:58 pm

    but i trace the join of the valves thus

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    Re: unusual brachiopod/bivalve found at Runswick Bay 21.10.12 can anyone identify?

    Post  Guest on Fri Oct 26, 2012 3:13 pm

    Ok - I have an answer.

    I sent the pictures to Dean Lomax, Author of Fossils of the Whiby Coast and one of our experts at Saltwick bay on the saturday.

    This is from Dean:
    "What a nice little find, this is a species of the bivalve Pholadomya sp. This a rather variable genus with many species, probably one of those genera which needs a severe revision. Nonetheless, there is another Pholadomya in the Whitby coast book see page 49, but this is a different species. The one you are looking at appears to have the double valve and are often termed 'heart-shaped cockles'."


    Heres a similar example from the middle jurassic I have found online

    Source: http://www.geologischevereniging.nl/werkgroepen/themas/fossielen/fos97.htm

    moleskin
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    Re: unusual brachiopod/bivalve found at Runswick Bay 21.10.12 can anyone identify?

    Post  moleskin on Fri Oct 26, 2012 8:15 pm

    Nice piece of detective work Wink

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    macrocephale
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    Re: unusual brachiopod/bivalve found at Runswick Bay 21.10.12 can anyone identify?

    Post  macrocephale on Fri Oct 26, 2012 8:18 pm

    In times of need, ask Palaeontologist.. Happens rather too often here at uni.. I didn't know where to start on this one though..

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