The researchers also found evidence that silesaurids, long thought to be cousins of dinosaurs, might actually be ancestors of ornithischians. This finding could help explain why ornithischians are missing from the fossil record of the earliest dinosaur era.

Research suggests dinosaurs first appeared in the ancient Gondwana supercontinent, including areas that are now the Amazon and Congo.

The first dinosaurs may have evolved near the equator, and not in the southwest of the supercontinent Gondwana, as researchers previously assumed due to an abundance of fossils in places like Argentina and Zimbabwe.

The earliest dinosaurs may have emerged in the Amazon and other regions of South America and Africa-and their remains might […] The post Scientists Say Dinosaurs Came From The Sahara And Amazon, Meaning There Are Fossils Out There Just Waiting To Be Discovered appeared first on Chip Chick.

Where did the first dinosaurs come from? A new paper suggests that their elusive remains may lie buried in some of the world’s least accessible regions