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619 Views 8 Replies Last post: Dec 27, 2013 9:36 PM by Tabfish RSS
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Dec 13, 2013 9:19 PM

Holderness Ammonite I.D.

Hi

I was wondering if anyone could i.d this ammonite that one of my lads found on the Holderness coast recently?

It is about 8cm across with the well defined phragmocone preserved in stable iron pyrites and the living chamber standing out from the rest of ammonite because of it being filled with sediment that has turned to stone.

Thank you for any i.d.s.

 

Tabfish

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  • Currently Being Moderated
    Dec 14, 2013 10:39 AM (in response to Tabfish)
    Re: Holderness Ammonite I.D.

    I may be wrong but it looks like either a Dactyleoceras sp or Arnioceras sp.

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    • Currently Being Moderated
      Dec 21, 2013 9:49 AM (in response to Tabfish)
      Re: Holderness Ammonite I.D.

      I think it could be Arnioceras, but I may be wrong.

       

       

       

      www.fossiliferous.co.uk has a lot of simular fossils

       

      Also Yorkshire Coast fossils is a good website which has every, or almost every species of Yorkshire Coast ammonite.

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        • Currently Being Moderated
          Dec 21, 2013 10:03 PM (in response to Tabfish)
          Re: Holderness Ammonite I.D.

          It looks a bit like an androg ammonite, but I'm not sure because I don't really know much about Holderness ammonites.  I am more firmiluar with whitby ammonites- there seems to be more species found on the Holderness than there is in Whitby.

           

           

          Nice ammonite which is in your other recent post

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