size comparison: herrerasaurus - frenguellisaurus

In first plane the small carnivorous primitive dinosaur Herrerasaurus ischigualastensis. Over the cube, the larger herrerasaurid Frenguellisaurus ischigualastensis.
The available materials of Frenguellisaurus ischigualastensis suggest an animal that exceeded 6 meters in length. Thus, the most primitive dinosaurs had reached considerably large sizes.