John (Not My Real Name) Dinosaur on Instagram: "ORNITHOLESTES Ornitholestes (from Ancient Greek ὄρνις (órnis), meaning “bird”, and λῃστής (lēistḗs), meaning “robber”, and thus, “bird robber”) is a small theropod dinosaur of the late Jurassic (Brushy Basin Member of the Morrison Formation, middle Kimmeridgian age, about 154 million years ago[1]) of Western Laurasia (the area that was to become North America). To date, Ornitholestes is known only from a single partial skeleton with a badly crushed