Species: grata IVACHNEKO, 1973
Etymology: Latin, grata, "grind."
= Coelodontognathus donensis OCHEV, 1967 (partim)
Etymology:
Holotype: PIN 104/3105
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.