Species: nocturnus GUBIN, 1983
Etymology:
Holotype: PIN 1582/1
Locality: 0.5 km below the mouth of Domera River, Upper reaches of Pechora River, Komi Republic, European Russia.
Horizon: Sheshminskiiuy (Sheshminskian Gorizont) stratigraphic horizon, Ufmian Stage.
Biostratigraphy:
Age: Lower Guadelupian Stage, Lower Zechstein Epoch, Late Permian.
Material: Skull.
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Species: borealis GUBIN, 1983
Etymology:
Holotype: PIN 3950/1
Locality: Inta Area, Komi Republic, European Russia.
Horizon: Inta Formation, Ufimian Stage.
Biostratigraphy:
Age: Lower Guadelupian Stage, Lower Zechstein Epoch, Late Permian.
Material: Skull.