Lepidodendron aculeatum - Lepidodendron was a giant lycopod tree that formed the huge forests of the Carboniferous to Permian Periods.

- Image ID: J5K26J
Lepidodendron aculeatum - Lepidodendron was a giant lycopod tree that formed the huge forests of the Carboniferous to Permian Periods.
Corey Ford / Alamy Stock Photo
Image ID: J5K26J