Species: mackinlayi BARTHOLOMAI, 1979
Etymology:

Holotype: QMF 9181

Locality: The Crater, Rewan property, about 72 Km southwest of Rolleston, (Field locality L78 in QM records), SE Queensland State, Australia.

Horizon: Lower beds of the upper part of the Rewan Formation, Mimosa Group.

Biostratigraphy:

Age: Early Triassic.
Note: According to LEES, 1986 ‘Arcadia Formation, Rewan Group, Greisbachian-Dienerian, Induan stage,-Olenekian stage, upper Scythian Epoch, Early Triassic.

Material: Anterior of cranium including both dentaries.

Referred material:

QMF 9182: Partial cranium.