Pterosaurs may have evolved from tiny, fast-running reptiles
Fossils found in Scotland in 1907 are illuminating the origin of the first flying vertebrates
Tiny Scleromochlus taylori, shown here in an artist’s rendition, was a bipedal, ground-dwelling reptile, and a close relative of pterosaurs, the iconic winged vertebrates of the Age of Dinosaurs.
Gabriel Ugueto