tentacles or not

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  • October 13, 2016 at 9:45 am #13691
    Bruce Salas
    Participant

    Hi,on this rock made by rudists is something like tentacles,know somebody what it is?tnx.

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    October 13, 2016 at 9:51 am #13695
    Victor Perez
    Participant

    Hmmm, it definitely does look like a fossil of some kind. Perhaps a fragment of an echinoid?

    December 18, 2016 at 2:20 pm #16881
    Forest Post
    Participant

    pebble

    January 19, 2018 at 7:00 pm #30244
    Bill Thompson
    Participant

    The round circles look like tubercles from an echinoid.
    Several different genera have similar tubercles. One such is Hemipatagus.
    See: http://www.nhm.ac.uk/our-science/data/echinoid-directory/taxa/specimen.jsp?id=1763

    With more info such as formation, age, locality, etc. I and other might be able to help more.

    Thanks, Bill

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