Trimerorhachis Teeth Fossil Permian Age Reptile Waurika Oklahoma COA, Display
Location: Ryan Formation, Waurika, Oklahoma
Weight: 0.3 Ounces
Gem Jar Dimensions: 32MM
Comes with a free Gem Jar display.
Comes with a Certificate of Authenticity.
The item pictured is the one you will receive.
Trimerorhachis
The prehistoric amphibian Trimerorhachis was a specialized aquatic predator that inhabited lakes and rivers during the Permian Period. Reaching lengths of nearly 3.3 feet, this temnospondyl amphibian had a large triangular head with eyes positioned high and toward the front of the skull — an ideal arrangement for spotting prey while remaining mostly submerged.
Its long body and short limbs indicate that Trimerorhachis was better suited for swimming than walking on land. Fossil evidence suggests it possessed external gills throughout its life, much like the modern axolotl, highlighting its highly aquatic lifestyle. This adaptation likely allowed it to thrive in freshwater environments where it hunted near the bottom.
The body was protected by numerous thin osteoderms that overlapped like scales, creating a lightweight but effective armored covering. In some areas, these bony plates formed multiple layers, especially around the tail. Besides offering protection, the added weight may have helped Trimerorhachis remain submerged while searching for food along river and lake beds.
