Taxa named by Leonid Petrovich Tatarinov

Scylacosuchus is an extinct genus of therocephalian therapsids. It was a predatory eutherocephalian that lived in Lopingian epoch. Its fossils were found in Orenburg Oblast of Russia. The type species is Scylacosuchus orenburgensis.

Proburnetia is an extinct genus of biarmosuchian therapsids in the family Burnetiidae, from the Late Permian of Russia. It had bizarre bumps and protrusions on its skull.

Madysaurus (meaning "Madygen reptile") is an extinct genus of cynodonts which existed in Kyrgyzstan. It was first named by Leonid Petrovich Tatarinov in 2005. Madysaurus is known from the Madygen Formation, a Triassic Lagerstätte that also includes well-preserved remains of insects and small reptiles like Sharovipteryx and Longisquama. Madysaurus is one of the most primitive cynodonts and is placed in its own family, Madysauridae.

Nothogomphodon is a genus of therocephalian therapsids. It is classified within the family Bauriidae and placed within its own subfamily, Nothogomphodontinae.

Silphedosuchus is an extinct genus of therocephalian therapsids from the Early Triassic of Russia. It is a member of the family Ericiolacertidae, along with the genus Ericiolacerta from South Africa and Antarctica. The type species Silphedosuchus orenburgensis was described in 1977 on the basis of a single holotype skull from Orenburg Oblast.

Viatkosuchus is an extinct genus of therocephalians known from the Late Capitanian–Wuchiapingian Deltavjatia Assemblage Zone.

Niuksenitia is an extinct genus of biarmosuchian therapsids from the Late Permian of Russia. It is only known from a partial skull including part of the posterior half of the skull and the palate. Because so little of it is known, it is difficult to determine the closest relatives of this species.