Ptychocarpus
Photographed by Michael P. Klimetz

Ptychocarpus unitus [Brongniart]

[Pyrophyllitized Double Frond Impression in Shale]

Pennsylvanian
Allegheny Series
Upper Sharp Mountain Member
Pottsville Formation
Underclay of Buck Mountain No. 5 Coal Bed

St. Clair

Schuylkill County
PENNSYLVANIA
Photographed by Michael P. Klimetz

Ptychocarpus unitus [Brongniart]

[Pyrophyllitized Double Frond Impression in Shale]

Pennsylvanian
Allegheny Series
Upper Sharp Mountain Member
Pottsville Formation
Underclay of Buck Mountain No. 5 Coal Bed

St. Clair

Schuylkill County
PENNSYLVANIA
Photographed by Michael P. Klimetz

Ptychocarpus unitus [Brongniart]

[Pyrophyllitized Double Frond Impression in Shale]

Pennsylvanian
Allegheny Series
Upper Sharp Mountain Member
Pottsville Formation
Underclay of Buck Mountain No. 5 Coal Bed

St. Clair

Schuylkill County
PENNSYLVANIA