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Unformatted text preview: forelimbs. This latter feature may have been important in the evolution of avian dinosaur flight. Until the Cretaceous, dromaesaurs were smallish predatory dinosaurs. Deinonychus , considered one of the most important dinosaurs ever found, was a small animal about 3-4 meters long, weighing a mere 75 kg. Utahraptor , discovered from middle Cretaceous rocks in Utah, is the largest dromaesaurid at a weight of one ton and a length of 5 to 7 meters. Velociraptor , the dromaesaurid so prominent in the Jurassic Park series, was about 2 meters long and had an estimated weight of 7 to 15 kg....
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