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Temporal range: Middle Eocene–Pleistocene
Eomys BW.jpg
Artist's impression of Eomys
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Suborder: Castorimorpha
Family: Eomyidae
Winge, 1887


Eomyidae is a family of extinct rodents from North America and Eurasia related to modern day pocket gophers and kangaroo rats. They are known from the Middle Eocene to the Late Miocene in North America and from the Late Eocene to the Pleistocene in Eurasia.[1] Eomyids are generally small but occasionally large and tend to be squirrel-like in form and habits.[2] The family includes the earliest known gliding rodent, Eomys quercyi.[3]

The family includes the following genera:[4]


Literature cited[edit]

  • Emry, R.J.; Korth, W.W. (2012). "Early Chadronian (late Eocene) rodents from the Flagstaff Rim area, central Wyoming". Journal of Vertebrate Paleontology 32 (2): 419–432. doi:10.1080/02724634.2012.649329. 
  • Emry, R.J.; Wang, B.; Tjutkova, L.A.; Lucas, S.G. (1997). "A Late Eocene eomyid rodent from the Zaysan Basin of Kazakhstan". Journal of Vertebrate Paleontology 17 (1): 229–234. doi:10.2307/4523799. 
  • Fejfar, O.; Rummel, M.; Tomida, Y. (1998). "New eomyid genus and species from the Early Miocene (MN zones 3–4) of Europe and Japan related to Apeomys (Eomyidae, Rodentia, Mammalia)". National Science Museum Monographs 14: 123–143. 
  • Flynn, L.J. (2007). "Eomyidae". In Janis, C.M.; Gunnell, G.F.; Uhen, M.D. Evolution of Tertiary Mammals of North America. Volume 2: Small Mammals, Xenarthrans, and Marine Mammals. Cambridge, England; New York: Cambridge University Press. pp. 415–427. 
  • Korth, W.W. (2007). "Mammals from the Blue Ash local fauna (Late Oligocene), South Dakota. Rodentia, Part 1: Families Eutypomyidae, Eomyidae, Heliscomyidae, and Zetamys". Paludicola 6 (2): 31–40. 
  • Korth, W.W. (2008). "Early Arikareean (Late Oligocene) Eomyidae (Mammalia, Rodentia) from Nebraska". Paludicola 6 (4): 144–154. 
  • Maridet, O.; Wu, W.; Ye, J.; Ni, X.; Meng, J. (2011). "New discoveries of glirids and eomyids (Mammalia, Rodentia) in the Early Miocene of the Junggar basin (Northern Xinjiang province, China)". Swiss Journal of Palaeontology 130 (2): 315–323. doi:10.1007/s13358-011-0022-7. 
  • McKenna, M.C.; Bell, S.K. (1997). Classification of Mammals: Above the Species Level. New York: Columbia University Press. p. 631. ISBN 978-0-231-11013-6. 
  • Smith, K.S.; Cifelli, R.L.; Czaplewski, N.J. (2006). "A new genus of eomyid rodent from the Miocene of Nevada". Acta Palaeontologica Polonica 51 (2): 385–392. 
  • Storch, G.; Engesser, B.; Wuttke, M. (1996). "Oldest fossil record of gliding in rodents". Nature 379 (6564): 439–441. doi:10.1038/379439a0.