Species: ineptus EFREMOV, 1938
Etymology:

Holotype: PIN 158/9

Locality: Lower Mezen' River, Arkhangel'sk region, European part of Russia.

Horizon: Red marls Horizon.

Biostratigraphy: Zone III.

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

Material: Skull.

Referred material:

SGU 104B/2005: Skull and dentary.

 

IVACHNENKO, 1997

Locality: Lower reaches of the Mezen River, Peza River, Arkhangelsk Region, European Russia.

Horizon:

Biostratigraphy:

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

Material:

PIN 3706/14: Skull.

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Species: kassini TCHUDINOV, 1955
Etymology:
= Nyctiboetus kassini (TCHUDINOV, 1955)

Holotype: 161/63

Locality: Shikhovo-Chirki, Kirov region, European Russia.

Horizon:

Biostratigraphy:

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

Material: Fragmentary dentary with teeth.

Referred material:

PIN 161/66: A dentary.

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Species: ultimus TCHUDINOV & VJUSCHKOV, 1956
Etymology:

Holotype: 521/104

Locality:

Horizon:

Biostratigraphy:

Age:

Material: Fragmentary dentary.