Species: vavilovi SHISHKIN in SHISHKIN & VAVILOV, 1985
Etymology:

Holotype: PIN 4115/1

Locality: Buur River (Karya-khos-Teryutekh river), Bulun District, Olenek Basin, Yakustk Region, northern Siberia, Asian Russia.

Horizon: Teryutekhy Formation.

Biostratigraphy:

Age: Lower Olenekian stage, upper Scythian Epoch, Early Triassic.

Material: Skull fragment.

Referred material:

PIN 4113/5: Fragment of lower jaw.