IVAKHENKO, 2005
Locality: Aristovo locality, Velikoustyugskii District, Vologda Region, European Russia.
Horizon: Bottom of the Vyatkian Horizon.
Biostratigraphy: Sokolki Faunal Assemlage, Sokolki faunal subassemblage.
Age: Upper part of the Upper Tatarian Age, Lopingian Subepoch, upper Zechstein Epoch, Late Permian.
Material:
PIN 3582/106: Left frontal.