Genus: Acinacodus LOPATIN, MASCHENKO & AVERIANOV, 2010
Etymology: Latin, acinaces, akinak, a short Scythian sword, in particular, in the Tagar culture of southern Western Siberia, and Greek, odus, 'tooth'.

Species: tagaricus LOPATIN, MASCHENKO & AVERIANOV, 2010
Etymology: In reference to Tagar culture of southern Western Siberia.

Holotype: PIN no. 4463/5

Locality: Shestakovo 1 locality, Chebulinskii District, Kemerovo Region, Asian Russia.

Horizon: Ilek Formation.

Biostratrigraphy:

Age: Aptian-Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Right dentary fragment with c1, p2-p3, m3-m4, and alveoli and roots of i1-i4.

Referred material:

PIN, no. 4463/6: Anterior part of a right dentary with base of c1, alveoli of i1-i4, p1 and p2.