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 (Chebula Rayon), Kemerovo Region (Kemerovo-Kuzbass oblast), 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.

 

AVERIANOV, LOPATIN, SLOBODIN, SKUTSCHAS & VLADIMIROVA, 2025

Locality: Shestakovo 3 locality,Chebulinskii District (Chebula Rayon), Kemerovo Region (Kemerovo-Kuzbass oblast), Asian Russia.

Horizon: Ilek Formation.

Biostratrigraphy:

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

Material:

KOKM 31/44: Right dentary fragmetn with i204, c, p1-2, m1-3, alveolus of 11, and vestigal rm 1 in crypt.