My friend Dave has sent me some images I can use in posts.  I am using two for this today's fossil.  They are of a Devonian Period trilo...

Engraving from Pioneers of Science in America , Edited William Jay Youmans D.Appleton and Company, New York 1896 The Louisville Sc...

Here are various pictures of Lower Carboniferous Period (Mississippian) crinoid calyx from Fort Payne Formation of Lake Cumberland, Kentucky...