Did carnivorous quadruped dinosaurs exist

I am asking if there are any known fossils from either the Triassic, Jurassic or cretaceous of quadupedal carnivorous dinosaurs that could serve as a model for the fictional Rhedosaurus created by Ray Harrayhausen for the 1963 movie, Beast from 20,000 fathoms. It would be interesting if there were any carnivorous quads as opposed to the Therapod dinos. There are obviously thousands of unknown species that tragically will never see the light of day since as has been reported, the known fossil record is only a fraction of what actually existed. Some day Homo sapiens will be denizon of that fossil record:-)