Pennsylvanian Fossil Fern (Sphenopteris) - Alabama

This is a 1.6" fossil fern (Sphenopteris), from the Pottsville Formation, Alabama. It is a single pinnule (branch of leaflets) and the stalk. This specimen is very well preserved with individual lobes visible. Venation is visible under magnification.

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

Comes with acrylic display stand.