Troodon
Troodon is a genus of small dinosaurs that lived in the Cretaceous of the Cretaceous. There is certainly one Troodonformosus, and there are a myriad of fossil fragments still uncertain as to whether they are independent species. Fossils are found in Wyoming, Texas, and New Mexico in the United States, from Alaska in the United States to the south in the United States. The fossil was first discovered in 1855 and is one of the earliest dinosaurs found in North America.