Dromaeosaurids are a family of feathered theropod dinosaurs. These were generally small to mid-sized carnivores that lived in the Cretaceous period. Dromaeosauridae comes from Greek (dromeus+sauros), meaning "running lizards". Many dromaeosaurid genus include the name raptor (meaning "thief"), which often emphasizes their avian behaviour and appearance, reminescent of birds of prey; the name raptor is also often used to refer to dromaeosaurids in general, a term most popularized by the Jurassic Park movie. Dromaeosaurid fossils are believed to be known from every continent. They first arrived in the Early Cretaceous, with some remains suggesting an older Middle Jurassic origin, and survived until the K-Pg extinction event.
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