An eroded fossilized crinoid stem found in the Fort Payne Formation of Lake Cumberland, Kentucky.  Crinoid existed in the Mississippian P...

The Scientific American web site has posted an entry about bryozoans entitled, "Excuse me, Sir. There's a Moss-animal in my Lak...

Finally, a crinoid stem that can be identified at least to the genus name!  This Middle Devonian Period crinoid fossil is a Dolatocrinus ...