Tsaganomyidae

Taxobox
name = Tsaganomyidae
status = Fossil
fossil_range = Early Oligocene to ?Early Miocene
regnum = Animalia
phylum = Chordata
classis = Mammalia
ordo = Rodentia
subordo = Hystricomorpha
familia = †Tsaganomyidae
familia_authority = Matthew & Granger, 1923
subdivision_ranks = Genera
subdivision = †"Tsaganomys"
†"Cyclomylus"
†"Coelodontomys"

Tsaganomyidae is an extinct family of rodents from Asia. It contains three genera.cite journal | author = Wang, B. | year = 2001 | title = On Tsaganomyidae (Rodentia, Mammalia) of Asia | journal = American Museum Novitates | volume = 3317 | issue = | pages = 1–50 | url = http://hdl.handle.net/2246/2933 | doi = 10.1206/0003-0082(2001)317<0001:OTRMOA>2.0.CO;2 | doilabel = 10.1206/0003-0082(2001)3170001:OTRMOA2.0.CO;2] Tsaganomyids are generally considered to be related to the Hystricognathi (porcupines and relatives).cite book | author = McKenna, M. C, and S. K. Bell | year = 1997 | title = Classification of Mammals Above the Species Level | publisher = Columbia University Press | id = ISBN 023111012X] Members of Tsaganomyidae were fossorial (digging) rodents that probably used their incisor teeth to dig like some living mole rats.cite journal | author = Bryant, J.D and M.C. McKenna | year = 1995 | title = Cranial anatomy and phylogenetic position of "Tsaganomys altaicus" (Mammalia, Rodentia) from the Hsanda Gol Formation (Oligocene), Mongolia | journal = American Museum Novitates | volume = 3156 | issue = | pages = 1–42 | url = http://hdl.handle.net/2246/3675]

Characteristics

Tsaganomyids had a protrogomorphous zygomasseteric system, a hystricognathous lower jaw, and multiserial enamel in their incisor teeth.

References