5.7" Pennsylvanian Fossil Fern (Sphenopteris) Plate - Kentucky

This is a fossil fern (Sphenopteris) plate, from the Breathitt Formation, Leslie County, Kentucky. It is two stalks with pinnules (branch of leaflets). This specimen is well preserved with individual lobes visible. Venation is visible under magnification. There are several sections of other plant material, likely the horsetail like plant Calamites.

Sphenopteris is genus of seed ferns, extinct species of fern that reproduced from seed as opposed to sporophyte reproduction of most modern ferns.

Comes with acrylic display stand.