Species: ferox ROMER, 1971
Etymology:

Holotype: La Plata Museum 1964-/xI-14-9

Locality: North of the north fork of the Chanares River, about 5 km NE of the point where this river emerges into the Plano de Talampaya, La Rioja Province, Argentina.

Horizon: Los Chanares Formation.

Biostratigraphy:

Age: Ladinian Stage, Upper Mid Triassic Epoch, Late Triassic.

Material: Proximal portion of maxilla, nasal, frontal, posterior parietal, prefrontal, postorbital, postfrontal, quadratojugal and squamosal from the right side.

Referred material:

DESOJO & ARCUCCI, 2009

Locality: Los Chanares locality (same as type), Ischigualasto-Villa Union Basin, La Rioja Province, Argentina.Horizon: Los Chanares Formation.

Biostratigraphy:

Age: Ladinian Stage, Upper Mid Triassic Epoch, Late Triassic.

Material:

PULR 057: Partial skull roof and palate.