Sibirotherium

Sibirotherium is an extinct genus of docodont mammaliaform. It is known from only a single named species, Sibirotherium rossicum, known from jaw fragments and teeth found in the Early Cretaceous (Aptian) aged Ilek Formation in western Siberia, alongside Khorotherium also from Siberia, it is one of the youngest docodonts.^[1][2]

Sibirotherium Temporal range: Aptian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Therapsida
Clade:	Cynodontia
Clade:	Mammaliaformes
Order:	†Docodonta
Genus:	†Sibirotherium Maschenko, Lopatin & Voronkevich 2002
Species:	†S. rossicum
Binomial name
†Sibirotherium rossicum Maschenko, Lopatin & Voronkevich 2002

References

1. Maschenko, E.N.; Lopatin, A.V.; Voronkevich, A.V. (2003-03-07). "A new genus of the tegotheriid docodonts (Docodonta, Tegotheriidae) from the Early Cretaceous of West Siberia" (PDF). Russian Journal of Theriology. 1 (2): 75–81. doi:10.15298/rusjtheriol.01.2.01. ISSN 1682-3559.
2. Lopatin, A. V.; Averianov, A. O.; Kuzmin, I. T.; Boitsova, E. A.; Saburov, P. G.; Ivantsov, S. V.; Skutschas, P. P. (20 October 2020). "A New Finding of a Docodontan (Mammaliaformes, Docodonta) in the Lower Cretaceous of Western Siberia". Doklady Earth Sciences. 494 (1): 667–669. Bibcode:2020DokES.494..667L. doi:10.1134/S1028334X20090123. ISSN 1028-334X. S2CID 224811982.