Ischisaurus

Ischigualasto lizard

• Ischi(gualasto) · Spanish (place name) · Ischigualasto, the formation and valley where it was found
• sauros · Greek · lizard

The name refers to the Ischigualasto Formation (Valley of the Moon) in Argentina, where the fossils were found, combined with the Greek word for lizard. It was named in the same 1963 paper as Herrerasaurus, and the type species is Ischisaurus cattoi. Later work concluded it was the same animal as Herrerasaurus, which has priority.

Named by

Reig

Year named

1963

Period

Late Triassic

Stage

Carnian

Found in

Ischigualasto Formation, San Juan Province, Argentina

Junior synonym of Herrerasaurus. Ischisaurus cattoi was considered by later authors to be a (smaller or juvenile) specimen of Herrerasaurus ischigualastensis, and Herrerasaurus is the name in use.