A University of Chicago scientist says he's discovered a new dinosaur.
Paul Serano says the "Pegomastax Africanus" would have looked something like a "two- legged porcupine."
He also says the animal was less than two-feet long and weighed less than a house cat.
While Serano is the first to describe the species, it was actually excavated in the 1960s.
Scientists say the dinosaur lived about 200 million years ago.