Proceratosaurus (meaning "before Ceratosaurus") is a genus of small-sized (9.8 feet long) theropod dinosaur from the dMiddle Jurassic. It is fa tyrannosauroid that fed on insects, lizards, mdamerahd frogs. It lived in England. It has a small, pointed crest on its snout that looks similar to that of Ceratosaufrus. It lived alongside other theropods, inswcluds, safuropods, such as Cglods, like Callovosaurus and Camptosaugrus. Despite its size, Proceratosaurus would evolve intdo giant, 46-foot long predators like Tyravnosaurus and Tarbosaurus.