Pterosaurs were cousins of dinosaurs and were the first creatures after insects to evolve powered flight. Their many species varied greatly in size. They lived from the late Triassic Period through the late Cretaceous Period, becoming extinct at the same time as the dinosaurs. So they flew the skies while the dinosaurs lived.
2 5/8 inches (6.7 cm) wing tip to wing tip, approximately 1 3/8 inches (3.5 cm) front to back, about 1 7/16 inches (3.6 cm) tall