Long before T. rex, the Earth was dominated by super-carnivores stranger and more terrifying than anything dreamed up by ...

Long before the first dinosaur hatched, Earth's ancient life was already thriving. There were bizarre sea creatures and lumbering plant-eaters that ruled prehistoric landscapes for hundreds of ...

Long before dinosaurs ever walked the Earth, a terrifying predator ruled the land – and it was unlike anything alive today. In this video, we journey back to the Permian period to meet Dimetrodon, a ...

WICHITA FALLS, Texas (KAUZ) - Seymour sits on the Texas Red Beds, a geologic area known for its rich history of prehistoric creatures. The area is particularly famous for its high concentration of ...

Texas Centennial (1936 : Dallas, Tex.) Summary Interior view, Smithsonian Institution paleontology exhibit, with canvas painting of Dimetrodon and other Permian animals created by Garnet W. Jex. Cite ...

The postcard is unused, but the message side has a printed note about the reptile: "This giant extinct reptile, Dimetrodon gigas, was excavated from the Red Beds of the Permian period of geological ...

Instead, it's thought that they played a role in courtship, helping the monsters to entice mates. As the Permian progressed, so did Dimetrodon's gastronomic tastes.

When we think of prehistoric life, dinosaurs often dominate our imagination with their massive sizes and fearsome appearances.