Holotype:

Locality: Mount Kirkpatrick near Beardmore Glacier in the Transantarctic Mountains, East Antarctica, Antarctica. Approximately 650 km form the geographic south pole.

Horizon: Hanson Formation.

Biostratigraphy:

Age: Sinemurian-Pliensbachian Stage, Lower –Middle Lias Epoch, Early Jurassic.

Material: Gnawed humerus.