Species: ricovi OCHEV, 1967
Etymology:

Holotype: PIN 4137/127 (originally SGU 104/3101)

Locality: Donskaya Luka Locality, Lipovskaya Balka Ravine, Village of Sirotinskaya, right boundary of the valley of the Don, Ilovlyansk District, Volgograd Region, European Russia.

Horizon: Lipovskaya Formation, Gamskii Horizon, Yarenskii Superhorizon.

Biostratigraphy:

Age: Upper part of the Olenek Stage, Upper Nammalian –Spathian Stage, Upper Scythian Epoch, Early Triassic.

Material: Fragmentary dentary.

Referred material:

SUES & SCHOCH, 2023

PIN 4137/128: Tooth.

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Species: donensis OCHEV, 1967
Etymology:

Holotype: SGU 104/3103

Locality: Donskaya Luka Locality, Lipovskaya Balka Ravine, Village of Sirotinskaya, right boundary of the valley of the Don, Ilovlyansk District, Volgograd Region, European Russia.

Horizon: Lipovskaya Formation, Gamskii Horizon, Yarenskii Superhorizon.

Biostratigraphy:

Age: Upper part of the Olenek Stage, Upper Nammalian –Spathian Stage, Upper Scythian Epoch, Early Triassic.

Material: Right dentary and 9 teeth.

Referred material:

SGU 104/3104: Left dentary.

SGU 104/3105: Right dentary.