Herrerasaurus

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Herrerasaurus
Temporal range: Upper Triassic
Illustration of Herrerasaurus
Conservation status
Fossil
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Superorder: Dinosauria
Order: Saurischia
Suborder: Theropoda?
Family: Herrerasauridae
Genus: Herrerasaurus
Reig, 1963
Species: H. ischigualastensis
Binomial name
Herrerasaurus ischigualastensis
Reig, 1963
Synonyms

Ischisaurus Reig, 1963
Frenguellisaurus Novas, 1986

Herrerasaurus (meaning "Herrera's lizard") was one of the earliest dinosaurs. It walked on two long legs and had sharp teeth. The arms were short and the fingers had sharp claws.

Description [change]

The first Herrerasaurus fossil was found in 1958 by Don Victorino Herrera, a local rancher. Three partial skeletons have been found. The first Herrerasaurus skull wasn't found until 1988. Fossils have been found in the Ishigualasto region, San Juan Province, northwestern Argentina, South America.