Original: Dromaeosaurids were small to medium-sized dinosaurs, ranging from about 0.7 meters in length (2.3 ft, in the case of Mahakala) to over 6 m (20 ft, in Utahraptor and Achillobator).
Simplified: Dromaeosaurs were small to medium-sized dinosaurs, ranging from about 0.7 meters in length (2.3 ft, in the case of Mahakala) to over 6m (20 ft, in Utahraptor and Achillobator).