Here is a rock piece with bubble like shapes and also some straight line projected out radially. It could be piece of brachiopod or a bunch...

Some type of coral or bryozoan from the road cut at Blankenbaker Road in Louisville. I stopped there and looked for about 30 minutes and fo...

Okay, this is not a fossil from the Louisville area but a geode from an area around Lake Cumberland, Kentucky. It was blue colored so I too...