Yutyrannus is an extinct genus of theropod dinosaur that lived during the early Cretaceous period in what is now northeastern China. It was a Tyrannosauroid related to Tyrannosaurus. It had a length of 9 meters (30 feet) and an estimated weight of about 1.4 tonnes (3,120 lbs). It is known for being both the largest known feathered dinosaur and the biggest theropod with direct evidence of feathers so far.