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Delorhynchus (Bolterpeton) Jaw, Permian

$215.00 
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Description

0.88" (2.27 cm) Delorhynchus (Bolterpeton) jaw section from the Texas Red Beds of Archer County, Texas. From the Permian period, this synapsid is about 287 million years old. Delorhynchus is a parareptile, which is an extinct branch of early reptiles.