Name:   Stigmaria Root Age:  Pennsylvanian Formation:  Cherokee Series Location:  Pella, Iowa Size:  Root is 9.5 inches long! Price:  $69.00 This is a very unusual plant fossil. It is a large fossilized tree root (Stigmaria) from Iowa. This specimen was found years ago and in a collection until now. The root is extremely three-dimensional and is so detailed, it still retains the small rootlet attachment points! This is great example of an uncommon tree fossil from the Coal Age of Iowa. A Certificate of Authenticity from EXTINCTIONS is included with this specimen.