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.