These pictures show a crinoid stem segment fossil. It was found in the Glen Dean Member of Grayson County, Kentucky, USA. The fossil dates to the Mississippian Period. It looks like a little flower or maybe an asterisk. I will probably end up using one of the stem pieces on my fossil Christmas tree at the end of the year.
I found one just like it here in NM. I have several solid pieces but this was the first one with the flower shaped center. Pretty cool!
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