Herrerasaurus is a theropod dinosaur from the Late Triassic of Argentina.

AGGRESSION • ANGRY • ANIMAL MOUTH • ANIMAL THEMES • ANIMAL • ARTWORK • BIPED • CARNIVORE • COLOR IMAGE • COLOUR IMAGE • COPY SPACE • CREATURE • CUTOUT • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • EVOLUTION • EXTINCT • FIERCE • FULL LENGTH • FULL-LENGTH • GREEN • GROWL • HERRERASAURUS ISCHIGUALASTENSIS • HERRERASAURUS • HISSING • HORIZONTAL • ILLUSTRATION • ILLUSTRATIONS • LARGE • LATERAL VIEW • MESOZOIC ERA • MOUTH OPEN • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NO PEOPLE • ONE ANIMAL • OPEN MOUTH • OPEN-MOUTHED • PALAEONTOLOGY • PALAEOZOOLOGY • PALEOBIOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PAST • POWERFUL • PREDATOR • PREHISTORIC ERA • PRIMITIVE • PRIMORDIAL • REPTIL • REPTILE • REPTILES • ROARING • SCIENCE • SCIENCE: EVOLUTION • SIDE VIEW • SNARLING • SPECIES • THEROPOD • TOUGHNESS • TRIASSIC • VERTEBRATE • WHITE BACKGROUND • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY