Means: Herrere’s lizard
Period: In the middle-late Triassic
Where: Northwestern Argentina
Quick description: Herrerasaurus was a lightly built bipedal carnivore with a long tail and a relatively small head.lts length is estimated at 3 to 6 meters (10 to 20 ft) and its hip height at more than 1.1 meters(3.3ft).lt may have weighed around 210-350 kilograms (463-772 lb).In a large specimen, at first thought to belong to a separate genus, Frenguellisaurus, the skull measured 56 centimeters (1.8 ft)in length. Smaller specimens had skulls about 30 centimeters(1ft)long.