Unknown Belgrade bone

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This topic contains 7 replies, has 3 voices, and was last updated by  Joyce Drakeford 1 year, 9 months ago.

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  • #18686

    Joyce Drakeford
    Participant

    I have been reading and researching this for almost a year. I had posted it a year ago because I was told it was Alligator, y’all confirmed it wasn’t but couldn’t give additional info because the pics aren’t great.  I’m wondering now if it isn’t seal. It was collected from Belgrade in May 2016. It seems a bit large for a bird bone. I know partial bones make it harder to identify so I’ve taken several more close photos for assistance.

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    #18691

    Joyce Drakeford
    Participant

    Additional photos

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    #18696

    Joyce Drakeford
    Participant

    Final photos

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    #18704

    Eleanor Gardner
    Keymaster

    Hmm. I wonder if @rboessenecker, @vperez, or @smoran might be able to help?

    #23968

    Joyce Drakeford
    Participant

    Hoping to bump this back up since I didn’t hear anything about it. Thanks!

    #24017

    Eleanor Gardner
    Keymaster

    Oops!  Sorry @joyce-drakeford!  I agree we need a consensus on this.  @vperez, @rboessenecker, @rnarducci, @rleder — any ideas??

    #24022

    Bobby Boessenecker
    Participant

    Hi all,

    One possibility for this bone is a phalanx of a primitive mysticete or odontocete. The flattened articular surface is characteristic of Neoceti. Archaeocetes like Eocene basilosauridae (e.g. Dorudon atrox, shown here – from Uhen, 2004) have quite narrow elongate metacarpals and phalanges, unlike extant Neoceti.

    This is surprisingly skinny for a neocete, but we’ve got many primitive Neoceti from the Oligocene of Charleston without well-preserved flippers. Most actually lack flippers, so anything is possible.

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    #24024

    Joyce Drakeford
    Participant

    Thanks @rboessenecker! Definitely the close ups of the attached photo look very similar. What threw me was the flattened or pinched appearance. And it’s so small in circumference I never would’ve thought whale! 🙂

     

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