The Enigmatic Encruster Chaunograptus

The Enigmatic Encruster Chaunograptus
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Details of The Enigmatic Encruster Chaunograptus

About The Enigmatic Encruster Chaunograptus
The Enigmatic Encruster Chaunograptus- Graptolite-like fossils from the Upper Ordovician of Ohio and Indiana. By J.M. St.John and M.A. Wilson.
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