UPDATE (11-13-2020): I now think this fossil is a cluster of holdfasts for cystoids. See my post about this here . Last Saturday (09-19-20...

  Today while researching a fossil I found, I came across a video from the The Society for the Preservation of Natural History Collections (...

  Above is an image of a prone trilobite fossil called Bumastus harrisi . A trilobite fossil dates to the Silurian Period. It was found Chic...