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never exceeding 6 inches
Although fragmentary fossil remains possibly belonging to Rhamphorhynchus have been found in England
They were the dominant predators of the upper Cretaceous which ended about 65 million years ago
Paleozoic Dig Panel
that teemed with fishes
Allosaurus skull with Detached Lower Jaw & Stand Argentinosaurus never exceeding 6 inchesFull skull from the Upper Jurassic Morrison Formation, Cleveland Lloyd Quarry, Utah. Allosaurus (pronounced Al oh SAWR us) Allosaurus, meaning "different lizard," was a huge, meat eating dinosaur from the late Jurassic period, about 154 million to 144 million years ago. It was a theropod that lived in what is now the western United States. It was up to 40 feet long and weighed up to 4. 5 tons. The skull was nearly 3 feet long and filled with dozens of