Tuesday, October 13, 2009

Sphenophyllum Plant Fossil

These pictures of fossilized plants found in St. Clair, Pennsylvania. They grew in the Pennsylvanian or Late Carboniferous Period. Geologically they can be located in the Llewellyn Formation.

I think the plant in these pictures is called the Sphenophyllum.


Monday, October 12, 2009

Neuropteris Plant Fossil

These pictures of fossilized plants found in St. Clair, Pennsylvania. They grew in the Pennsylvanian or Late Carboniferous Period. Geologically they can be located in the Llewellyn Formation.

I think the plant in these pictures is called the Neuropteris.




Sunday, October 11, 2009

Indiana Devonian Wood

Devonian wood pieces probably from a Callixylon log. They were found in New Albany Shale in Clark County, Indiana. The wood has been coalified or vitrinized by heat and pressure over time.