Other geodes from the Harrodsburg Limestone in which a
marine fossil (brachiopod, crinoid stems) appears to have served as a
focus for geode formation.
Great looking fossil peachy........I look for fossils to when out digging! some areas along the creeks and streams will give up a few...........Keep on Digging! John
"Brachiopod" was totally what I was thinking when I saw that first photo anyway... I have actually found a complete one that had been "liberated" from inside some shale rock in a cliff. It was grey/blackish, though, and fell apart easily.