Reference

The Pottsville Formation is known for a diverse array of fossil discoveries. Here are some of the types of fossils that have been found:

1. Plant Fossils:
   • Lepidodendron: This genus of extinct tree-like plants is commonly found in the Pottsville Formation.
   • Pecopteris: A type of fern fossil.
   • Sigillaria: Another genus of extinct tree-like plants similar to Lepidodendron.
   • Giant Horsetails (Sphenopsids): Represented by fossils such as Calamites.
   • Tree Ferns and Seed Ferns: Commonly found within the formation.

2. Marine Fossils:

   • Ectenocrinus: An ancient marine crinoid.
   • Invertebrates: Including remnants of various marine invertebrates.

3. Trace Fossils: Evidence of ancient life activities, such as burrows or footprints.

The Pottsville Formation has significantly contributed to understanding the flora and fauna of the Pennsylvanian period through these fossil discoveries.

For more detailed information, you can explore the sources:

• Lepidodendron from the Pottsville Formation
• Brainly Answer