''Tsaganomys altaicus'' is an

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

species of

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...

from

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...

, and the only species in the genus ''Tsaganomys''. Junior synonyms and likely junior synonyms: Cranial Anatomy and Phylogenetic Position of Tsaganomys altaicus (Mammalia: Rodentia) from the Hsanda Gol Formation (Oligocene), Mongolia
''American Museum Novitates'', Number 3156, December 29, 1995 *Cyclomylus lohensis *Cyclomylus minutus *Sepulkomys eboretus *Beatomus bisus *Pseudotsaganomys mongolicus *Pseudotsaganomys turgaicus

References

Oligocene rodents Oligocene mammals of Asia Prehistoric monotypic mammal genera Prehistoric rodent genera {{paleo-rodent-stub