the procolophonids were an important part of Earth's ecosystems from the end of the Permian and into the Triassic. While they might look lizard-like in appearance, these reptiles aren't closely ...

But the Permian detectives are faced with a host ... Often called mammal-like reptiles—they looked like a cross between a dog and a lizard—the synapsids were Earth's first great dynasty ...

Did you know that before the rise of the mighty Tyrannosaurus Rex and the cunning Velociraptor, there were a species of prehistoric reptiles that ruled the earth between the Permian and Triassic ...

Rates of evolution (adaptive anatomical changes) in reptiles start increasing early in the Permian (at about 294 million years ago), which also marks the onset of the longest period of successive ...

The Permian period’s mass extinction had wiped out the mammals that could have been competitors for these reptiles on land and in water. One example of these mammals would be the Dimetrodon ...