Species: udmurticus EFREMOV, 1954
Etymology: In reference to the Udmurita Republic, European Russia.

Holotype:

Locality: Right Hand bank of the river Kama by Mezhevai, Mezhevaya Locality, Sarapul’skii District, Udmurtia Republic, European Russia.

Horizon: Biarmian Series, Lower Kazanian Substage.

Biostratigraphy: Ocher Faunal Assemblage, Golyusherma Faunal Subassemblage, Zone II.

Age: Kazanian substage, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.

Material: Fragmentary skull.

Referred material:

= Parabradysaurus dubius EFREMOV, 1941 (nomen dubium)
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

 

= Rhopalodon wangenbeimi STUCKENBERG, 1898
Etymology:
= Scutosaurus wangenbeimi (STUCKENBERG, 1898)

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

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Species: silantjevi IVAKHNENKO, 1996
Etymology: In honor of V.V. Silant’ev, a Russian Paleontologist.

Holotype: PIN 4416/33

Locality: Ust'-Koin Locality, Ust’-Koin Village, left tributary of Vym’ River, 1.1 km below mouth of Koin River, Vychegda River Basin, Knyazhpogostskii District, Komi Republic, European Russia.

Horizon: Biarmian Series, Upper Kazanian Substage.

Biostratigraphy: Ocher Faunal Assemblage, Golyusherman Faunal Subassemblage.

Age: Lower Kazanian substage, Capitanian Stage, Upper Guadelupian Stage, Middle Zechstein Epoch, Late Middle Permian.

Material: Anterior part of a right dentary bone.

Referred material:

PIN 4416/2: A symphysis fragment of the lower jaw.

PIN 4416/3: An incomplete dentary bone.

PIN 4416/4-13: Separate teeth.

PIN 4416/35: Incomplete maxilla.

PIN 4416/36: Isolated maxilla.

PIN 4416/37: Isolated canines.