Species: vjuschkovi TATARINOV, 1963
Etymology:
Holotype: PIN 1100/20
Locality: Vyaznika, right bank of Klyaz'ma river, Vladimir Province, European Russia.
Horizon: Vyazniki-1, Vyatsky Horizon.
Biostratigraphy:
Age: Upper Tatarian Age, Lopingian Subepoch, upper Zechstein Epoch, Late Permian.
Material: Skull missing posterior end.