Species: sibiricus TATARINOV & MATCHENKO, 1999
Etymology: Latin, sibiricus, “Siberian”.
= Tritylodont gen sp indet NOVIKOV, LEBEDEV & ALIFANOV, 1998
Holotype: Paleontological Institute of the Russian Academy of Sciences, No. 4463/2
Locality: Shestakovo Locality, Chebulinskii District, Kermerovo Region, Asian Russia.
Horizon: Shestakovo Formation.
Biostratigraphy:
Age: Upper Aptian Stage (?), Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.
Material: Right upper cheek tooth.
Referred material:
PM TGU, no 16/2-1: Lower incisor.
PIN no. 4463/4: Lower cheek tooth.
PM TGU no 16/2-2, PIN 4463/3: 2 upper cheek teeth.
SKUTSCHANS, 2006
Locality: Sh-1 (Shestakovo 1), 55°54’12”N latitude and 87°57’28”E longitude, Chebula District, Kemerovo Province, Western Siberia, Asian Russia.
Horizon: Ilek Formation.
Biostratigraphy:
Age: Khukhtekian age, Aptian-Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.
Material:
Number: Not given:
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Species: kolossovi LOPATIN & AGADJANIAN, 2008
Etymology: In honor of P. N. Kolosov.
Holotype: PIN 4874/11
Locality: Left tributary of the Botomoyu River, Teete Creek, middle current of the Vilyui river, Sakha (Yakutia) Republic, Asian Russia.
Horizon:
Biostratigraphy:
Age: Late Jurassic or Early Cretaceous.
Material: Right lower cheek tooth.
Referred material:
Number: Not given: Fragment of the right upper cheek tooth.
Note: The specimens were redeposited in the Quaternary alluvial sand, collected by P. N. Kolosov in 2004.