6" Pennsylvanian Fossil Horsetail (Calamites) Plate - Kentucky

This is a 6" 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.

There is a small fern (Neuropteris sp.) fossil at the center of the Calamites stalk sections. Neuropteris is an extinct genus of ferns that reproduced from seed as opposed to sporophyte reproduction of most modern ferns.

It comes with an acrylic display stand.