Holotype:

Locality: Chacaio Sur, Department of Zapala, Neuquen Province, Northwestern Patagonia, Argentina.

Horizon: Los Molles Formation.

Biostratigraphy: Emilea giebeli zone, subzone of E. formis.

Biostratigraphy:

Age: Lower Bajocian Stage, Lower Dogger Epoch, Middle Jurassic.

Material: