''Tsaganomys altaicus'' is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

species of

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

from

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

, 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

Hystricomorpha Oligocene rodents Oligocene mammals of Asia Monotypic prehistoric rodent genera {{paleo-rodent-stub