4.7" Pennsylvanian Fossil Fern (Sphenopteris) Plate - Alabama

This is a 1.8" fossil fern (Sphenopteris)stem section, from the Pottsville Formation, Alabama. The stem has pinnules (branch of leaflets), and leaflets. 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.

It comes with an acrylic display stand.