Somewhere, Ross Geller is freaking out. New information about fossilized bones that were unearthed in Tanzania in the 1930s reveal that they may be from the oldest dinosaur ever found. The dino is called the Nyasasaurus, weighed between 45 and 135 pounds, and lived on the mega-continent Pangaea around 243 million years ago. It predates all other discovered dinosaurs by 10 to 15 million years. It took so long for this information to surface—more than 80 years—because the necessary scanning technology wasn’t available until today. Can you geek it?