Genus: Hexacynodon TATARINOV, 1976
Etymology: Greek, hexa, “six” and Greek, kynodon, “canine tooth”: Six canine tooth.

Species: purlinensis TATARINOV, 1976
Etymology:

Holotype: PIN 1538/6

Locality: Purly, Pizhma River, Vyatka basin, Tonshaevskii District, Nizhnii Novgorod Province, European Russia.

Horizon: Vyatkian Horizon, Upper Vyatkian Substage.

Biostratigraphy: Vyazniki Faunal Assemblage.

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

Material: Incomplete right maxilla.

Referred material:

PIN 1538/6, 1538/5-12: Fragment of a dentary and 5 isolated teeth.