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623 Views 7 Replies Last post: Apr 17, 2014 7:00 AM by Greenbay RSS
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Apr 16, 2014 8:53 PM

Hi. Found this today. any ideas?

Hi. I found this today at Ravenscar. It weighs a ton and appears to have quite a bit of pyryte. Looks like a Nautilus or very large ammonite from one direction. also appears to have an outer shell which has partly dissapeared exposing the inner structure.

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    Apr 16, 2014 9:43 PM (in response to Greenbay)
    Re: Hi. Found this today. any ideas?

    I think you are right or close with Nautilus (going on the overall shape and the simple septae).

    Some other Yorkshire Nautilus for comparison

    - http://www.yorkshirecoastfossils.co.uk/fossil_nautilus_2.htm

     

    But that finely ridged area... It makes me think aptychus, but Nautiloids don't have a hard aptychus (they have a leathery hood). And since it seems to be within the overall layering, I presume it may be an internal layer that happens to have that structure (I have never seen it before).

     

    If Tabfish is looking-in, maybe he can help...

     

    Mike

    PS. Please could you downsize your images: 6Mb is slowish to download for a lot of folks. There are several free utilities to reduce the file size of an image, and they can do so while retaining plenty of detail. Certainly for initial postings, a 1920x1080px image can be reduced to less than 1Mb while still being perfectly acceptable. Thanks.

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      • Currently Being Moderated
        Apr 16, 2014 9:59 PM (in response to Greenbay)
        Re: Hi. Found this today. any ideas?

        Good job, thanks // Mike

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        Apr 16, 2014 10:06 PM (in response to Greenbay)
        Re: Hi. Found this today. any ideas?

        Hello Greenbay

        It is a Nautilus and by the look of it a very big one! well done on finding it.

        I have a couple from the Holderness that I will post some images of if thats ok.

         

        Tabfish

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            Apr 16, 2014 10:38 PM (in response to Greenbay)
            Re: Hi. Found this today. any ideas?

            Keep collecting Darren and posting!

            Are you prepping it yourself or thinking about taking it to a fossil preparitor? or do you like it as it is?

             

            Tabfish

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