Sponge, Bryozoa or Brain!!!

Homepage Forums What Is It? Sponge, Bryozoa or Brain!!!

This topic contains 9 replies, has 4 voices, and was last updated by  Jack Kallmeyer 2 years, 1 month ago.

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  • #16935

    Lance Comfort
    Participant

    Found this recently on Myrtle Beach while searching for fossils.  Thought at first was a sponge or Bryozoa until everyone started saying it looked like a brain (right!!!).  Here are a couple of pictures and some magnified images and would appreciate any help.  I can’t see typical Zooid but more of what appears to be tangles (sorry for poor descriptions).  Fossil is 5cm by 5cm by 3.5cm. Any help is greatly appreciated.  Thanks….Lance

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    #16940

    Jack Kallmeyer
    Moderator

    @lance-comfort  I presume this is mineralized?  Certainly looks interesting.  You might want to ask @lmccall since she is in your area.  Maybe she has seen something like that.

    #16941

    Linda McCall
    Participant

    I am at a loss…..

    #16942

    Jim Chandler
    Participant

    How heavy is it?  Does it float?

     

     

     

    #16943

    Lance Comfort
    Participant

    @jkallmeyer @lmccall @jim-chandler It is fossilized.  Does not Float.  Heavy, 96 grams.  Here are a couple more pics

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    #16948

    Linda McCall
    Participant

    Wow. I am still flummoxed – but I see why you might think brain….., though I’m going to nix that. Might it be some kind of ossified bone? Fish can get some pretty weird ossified bone.

    #16949

    Jim Chandler
    Participant

    Lance,

    I agree it looks like some kind of bone, especially in your close up views.  Look at this website showing microscopic images of bones.  https://www.pinterest.com/pin/311241024224539876/

    Some place like the Smithsonian could help you to identify it.  Keep us posted.

     

    Jim

    #16950

    Lance Comfort
    Participant

    @jkallmeyer @lmccall @jim-chandler  With your help I believe I have figured this one out.  I believe it is a fossil Tilly Bone (Hyperostosic Bone) from a large bony fish.  What do you think.  Here is a magnified picture from http://lakeneosho.org/Fossil/index.html, which looks very similar to mine.  Thanks….Lance

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    #16952

    Linda McCall
    Participant

    I think you nailed it!

    #16953

    Jack Kallmeyer
    Moderator

    @lance-comfort @lmccall @jim-chandler  Lance, I had to look that ID up on Google.  I’m an invertebrate guy.  After looking up Tilly Bone and the more technical term I was still unsure if this thing is some kind of normal fish part or a pathological one.  Anyway, a very interesting find.

    Jack

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