Discovery reveals where dinosaurs originated

The earliest dinosaurs originated and diverged in what is now South America before trekking across the globe more than 220 million years ago when the continents were assembled into one gargantuan landmass called Pangea.

Dinosaurs originated in South America and the earliest primitive dinosaur animals were the common ancestors of all the dinosaurs

Long, long ago, some of the first dinosaurs walked the Earth. But scientists have not known with any confidence where those initial dino prints were made. Much more recently, hikers stumbled across a few bits of bone at Ghost Ranch in New Mexico, leading to the discovery of a game-changing dinosaur that reveals where it all began.

The dinosaur, now called Tawa hallae, had a body that was only the size of a medium to large dog, but its remains have helped scientists shore up where dinosaurs came from.

"[The results] showed a lot of the South American dinosaurs in the Triassic were the most primitive dinosaurs we have found to date,"

Source: www.msnbc.msn.com...

yay, hikers! any word on whether they know what the common ancestor was, or where it came from?

and, by the way, that is one sweet lookin' dinosaur.