Species: viatkensis TATARINOV, 1968
Etymology:

Holotype: PIN 2416/1

Locality: Agafonov locality, Viatka River Basin, Kotel’nichskii (Kotelnitch) District,  Kirov Province, European Russia.

Horizon: Tatarian Series, Upper Severodvinian Substage, Severodvinian Horizon.

Biostratigraphy: Sokolki Faunal Assemblage, Ilinskoe Faunal Subassemblage.

Age: Upper Tatarian Age, Lopingian Subepoch, upper Zechstein Epoch, Late Permian.

Material: Skull and fragmentary dentary.