Here is a rock with a lot of crinoid pieces. The majority are stem pieces, a spine, and calyx plate. It was found in Louisville, Kentucky ...

Some workers were jackhammering a hole in the Louisville area and came upon a number of trilobite parts. It appears to be a Silurian trilob...

I have never found a living chamber on a cephalopod fossil before. This one is just the very edge of the mold but it can be seen how the sh...