0.4" Dimetrodon Sail Spine Bone Fossil Permian Age Waurika Oklahoma COA, Display Otodus Tooth and climate-driven extinction events

and climate-driven extinction events

Feather and Leaves

straight trunk and a graceful pyramidal crown

Discover the extraordinary story locked within this Tatahouine diogenite

Galena is the most common mineral containing lead and has been well-known throughout the centuries

0.4" Dimetrodon Sail Spine Bone Fossil Permian Age Waurika Oklahoma COA, Display Otodus Tooth and climate-driven extinction eventsLocation: Ryan Formation, Waurika, Oklahoma Weight: 0. 3 Ounces Gem Jar Dimensions: 32MM Spine Dimensions: 0. 4 Inches Long, 0. 2 Inches Wide, 0. 1 Inches Thick Comes with a free Gem Jar display. Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Dimetrodon belongs to a group called the synapsids, which includes all living mammals and a menagerie of extinct animals extending back to about 305 million years ago.