Nanotyrannus Fossils
Nanotyrannus (meaning "small tyrant") is a problematic genus of tyrannosaurid dinosaur and is possibly a juvenile specimen of Tyrannosaurus. Nanotyrannus is the smallest known tyrannosaurid and was one of the last tyrannosaurids before the end-Cretaceous mass extinction, the K-T event. The genus is represented only by a small skull