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Glenshaw Formation Unknown

Lucid_Bot

By Lucid_Bot
in Fossil ID

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Lucid_Bot Regular Member

Lucid_Bot

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I found this piece in my back yard a couple of years back and I still don't know what it is. It is Pennsylvanian, Glenshaw Formation and from Allegheny County, Pennsylvania. Thanks in advance for all help.

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Rockwood Regular Member

Rockwood

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Artesia Its a cast of the pith from a Cordaites. The pattern is the way it expanded with growth of the trunk. 

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