0.9" Captorhinus Aguti Fossil Femur Bone Permian Age Reptile 299 Mil Yrs Old Display COA

Location: Admiral Formation, Lawton, Oklahoma

Weight: 0.5 Ounces

Dimensions: 0.9 Inches Long, 0.2 Inches Wide, 0.2 Inches Thick

Comes with a free Gem Jar display. 

Comes with a Certificate of Authenticity.

The item pictured is the one you will receive. 

Long before dinosaurs appeared, small reptiles like Captorhinus aguti moved across the landscapes of the Permian world. About the size of a modern lizard, this early reptile reached roughly 30 centimeters in length and had slender limbs suited for life on land. Its fossils, discovered in North America, reveal a creature that represents one of the earliest stages in reptile evolution.

Captorhinus belonged to a primitive group called captorhinomorphs, whose solid skulls lacked the openings seen in later reptiles. This simple skull design limited jaw strength but marks an important stepping stone in the development of more advanced reptilian anatomy. Over millions of years, new reptile groups evolved stronger skulls and more effective biting mechanics, eventually replacing these early pioneers.

Although captorhinomorphs mostly disappeared by the end of the Permian, their legacy survives in the fossil record. Captorhinus remains an important species for understanding how early reptiles evolved and adapted during a crucial period in Earth’s history.