Utahraptor (meaning "Utah's predator") is a genus of large dromaeosaurid (a group of feathered carnivorous theropods) dinosaur that lived during the Early Cretaceous period from around 135 to 130 million years ago. Utahraptor is the largest known genus in the family of "raptors" and belongs to the same clade of other notable dinosaurs such as Velociraptor, Deinonychus, or Dromaeosaurus. This Utahraptor lost its hunting pack after fighting against a dinosaur, and you witnessed it all.