0.73" (1.85 cm) Edaphosaurus sail spine section from the Texas Red Beds of Archer County, Texas. From the Permian period, this synapsid is about 287 million years old.
Authentic, legally collected fossils for sale.
0.73" (1.85 cm) Edaphosaurus sail spine section from the Texas Red Beds of Archer County, Texas. From the Permian period, this synapsid is about 287 million years old.