Genus: Herrerasaurus REIG, 1963
Etymology: In honor of Victorio Herrera and Greek, sauros, “lizard”: Herrera’s lizard.

Species: ischigualastensis REIG, 1963
Etymology: For the Ischigualasto Formation.

Referred material:

SERENO & NOVAS, 1993

Locality: Southern Argentina.

Horizon: Ischigualsto Formation.

Biostratigraphy:

Age: Late Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

PVSJ 407: Skull and mandible and nearly complete skeleton.
Note: Pathology, The skull has several bite lesions, dorsal margin of the supraoccipital ala of the left parietal and 2 other pits occur in the ventral margin of the left splenial.