Species: ivachnenkovi GUBIN, 1993
Etymology: In honor of paleontologist M. F. Ivachnenko.

Holotype: PIN 4416/22

Locality: Ust'-Koin Locality, 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: Trunk vertebra.

Referred material:

PIN 4416/28: Trunk vertebra.