Theropods from the Early Cretaceous of North America include dromaeosaurids such as `` Deinonychus '' and `` Utahraptor '' , `` Acrocanthosaurus '' , and `` Microvenator '' .
Theropods from the early Cretaceous of North America include dromaeosaurs such as `` Deinonychus '' and `` Utahraptor '' , `` Acrocanthosaurus '' , and `` Microvenator '' .