Two of the earliest known dinosaurs, Herrerasaurus (large) and Eoraptor (small), discovered in Argentina. Herrerasaurus is the earliest known theropod dinosaur, the ancestor of most carnivorous dinosaurs and modern birds. Eoraptor is
Field Museum on X: "@SUEtheTrex Herrerasaurus (pictured) was also longer than Velociraptor. The Jurassic Park films portrayed Velociraptor about twice its actual size. 🧐 https://t.co/oOACQ6874U" / X
![Herrerasaurus Alt View Stock Photo - Download Image Now - Dinosaur, Fossil, Animal Skeleton - iStock Herrerasaurus Alt View Stock Photo - Download Image Now - Dinosaur, Fossil, Animal Skeleton - iStock](https://media.istockphoto.com/id/157334222/photo/herrerasaurus-alt-view.jpg?s=612x612&w=0&k=20&c=AHUNcUZ9rULtghXGmNwj2tW_G1gy99Nz_zZW0ZJC-NQ=)
Herrerasaurus Alt View Stock Photo - Download Image Now - Dinosaur, Fossil, Animal Skeleton - iStock
![The oldest known dinosaurs – Herrerasaurus, Staurikosaurus, Eoraptor, Pisanosaurus | DinoAnimals.com The oldest known dinosaurs – Herrerasaurus, Staurikosaurus, Eoraptor, Pisanosaurus | DinoAnimals.com](https://dinoanimals.com/wp-content/uploads/2020/07/Herrerasaurus.jpg)