Genus: Khorotherium AVERIANOV, MARTIN, LOPATIN, SKUTSCHANS, SCHELLHORN, KOLOSOV & VITENKO, 2018
Etymology: In reference to the Sangar Series, a stratigraphic unit where the fossil was found, and Greek, therion, "beast".

Species: yakutensis AVERIANOV, MARTIN, LOPATIN, SKUTSCHANS, SCHELLHORN, KOLOSOV & VITENKO, 2018
Etymology: In reference to Yakutia Republic, Siberia, Asian Russia where the fossils were discovered.

Holotype: PIN 5614/1

Locality: Teete, Yakutia Republic, Siberia, Asian Russia.

Horizon: Batylykh Formation, Sangar Series.

Biostratigraphy:

Age: Berriasian Stage, Lowest Neocomian Subepoch, Lowest Early Cretaceous Epoch, Lowest Early Cretaceous-Barremian Stage, Lowest Gallic Subepoch, middle Early Cretaceous Epoch, Early Cretaceous.

Material: Right maxilla fragment wiht three last molariform teeth.

Referred material:

PIN 5614/s: Left dentary fragment with penultimate molariform tooth, distal fragment of the antepenultimate molariform tooth, and alveoli for the ultiamte and more anterior teeth.