Species: bonapartei ROMER, 1971
Etymology: In honor of Jose F. Bonaparte.

Holotype: UNLR (old PULR) 07 (old La Plata Museum 1964-XI-14-12)

Locality: Los Chanares type locality, near the mouth of Chanares River, Talampaya National Park, about half a mile southeast of a volcanic plug in the valley of the south fork of the Chanares River, La Rioja Province, Argentina.

Horizon: Lower member of the Chanares Formation.

Biostratigraphy:

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

Material: Skull, cervical and dorsal vertebrae, pelvic girdle, cervical and dorsal ribs, left femur, tibia and fibula.

Referred material:

MCZ 4035: An articulated vertebral column up to caudal 3, and considerable girdle and limb material.

MCZ 4036: Skulls and considerable postcranial material.

MCZ 4037: Skull and dentary, and presacral column.

MCZ 4038: A slab containing a mélange of material; most however, appear to belong to a nearly completely disarticulated skeleton.

MCZ 4039: Left half of a small skull.

EZCURRA, 2016

PVL 4586: Skull and lower jaw.

PVL 4687:Partial skull.

PVL 4676: Partial skull.

PVL 6244: Partial postcranium.

ARUCCI 1989

PVL 4575: Ilium, ischium and pubis articulated, complete femur, tibia and fibula, and articulated foot.

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