Brachial valve
Anterior
Pedicle valve
Posterior
Profile
Monday, December 3, 2012
Phricodothryis perplexa from Texas
Today's fossil is Phricodothyris perplexa from the Pennsylvanian aged Mineral Wells formation of Palo Pinto, Texas. It reminds me of the genera Athyris but with a much more exaggerated beak on the pedicle valve.
Brachial valve
Anterior
Pedicle valve
Posterior
Profile
Brachial valve
Anterior
Pedicle valve
Posterior
Profile
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