8.3" Pennsylvanian Horsetail (Calamites) Fossil - Kentucky

This is a 8.3" wide plate of fossil horsetail (Calamites) stalk sections from the Breathitt Formation of Leslie County, Kentucky. Calamites is an extinct genus of tree-like horsetails from the Late Carboniferous, Pennsylvanian aged forests that formed the coal shales of Kentucky and Ohio.

It comes with an acrylic display stand.