Species: herbstii REIG, 1961
Etymology:

Holotype: PVl Tucuman 2488, and M.L.P. 64-VII-15-1

Locality: Estancia Roca Blanca, Santa Cruz province, Patagonia, Argentina.

Horizon: Roca Blanca Formation, Roca Blanca local Fauna.

Biostratigraphy:

Age: Toarcian?, Middle or Late Jurassic.

Material: Skull and skeleton.

Counter Part: P.V.L. 2488