7" Edaphosaurus Tail Vertebrae's Bones Fossil Permian Age Archer County, Texas Display Fossil Plant containing up to 1

containing up to 1

demonstrating how large predatory fish once dominated ancient oceans

though their tough-to-reach spots have kept most curious outsiders away

and possibly other marine animals

7" Edaphosaurus Tail Vertebrae's Bones Fossil Permian Age Archer County, Texas Display Fossil Plant containing up to 1Location: Archer City Formation, Archer County, Texas Weight: 15 Ounces Dimensions: 8. 1 Inches Long, 6. 2 Inches Wide, 2. 2 Inches Thick (With Riker Display) Tail Vertebrae Dimensions: 7 Inches Long Comes with a Free Ricker Display. The item pictured is the one you will receive. Edaphosaurus is a genus of extinct, herbivorous synapsids that inhabited North America and Europe during the Late Carboniferous and Early Permian periods, approximately 303.