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CASTORIDAE


Skull of a beaver.

The family 'Castoridae' contains the two living species of beaver and their fossil relatives. This was once a highly diverse group of rodents, but is now restricted to a single genus, ''Castor''.











Contents
Taxonomy
References
See also

Taxonomy


McKenna and Bell (1997) divided Castoridae into two subfamilies, Castoroidinae and Castorinae. More recent studies (Korth, 2002; Rybczynski, 2007) have recognized additional subfamilies of basal castorids, and the following taxonomy is based on these two works.

★ 'Family Castoridae'


★ Subfamily †Agnotocastorinae (paraphyletic)



★ †''Migmacastor''



★ Tribe †Agnotocastorini




★ †''Agnotocastor''




★ †''Neatocastor''



★ Tribe †Anchitheriomyini




★ †''Anchitheriomys''




★ †''Propalaeocastor''




★ †''Oligotheriomys''


★ Subfamily †Palaeocastorinae



★ †''Palaeocastor''



★ †''Capacikala''



★ †''Pseudopalaeocastor''



★ Tribe †Euhapsini




★ †''Euhapsis''




★ †''Fossorcastor''


★ Subfamily †Castoroidinae (paraphyletic)



★ †''Priusaulax''



★ Tribe †Castoroidini (paraphyletic)




★ †''Monosaulax''




★ †''Eucastor''




★ †''Dipoides''




★ †''Castoroides''




★ †''Procastoroides''



★ Tribe †Trogontheriini




★ †''Trogontherium''




★ †''Boreofiber''




★ †''Euronexomys''




★ †''Youngofiber''




★ †''Asiacastor''


★ Subfamily Castorinae



★ †''Palaeomys'' or †''Chalicomys''



★ †''Steneofiber''



★ †''Zamolxifiber''



★ †''Romanofiber''



★ †''Schreuderia''



★ †''Sinocastor''



★ †''Hystricops''



★ ''Castor'' - modern beavers

References



★ Korth W.W., 2002. Comments on the systematics and classification of the beavers (Rodentia, Castoridae) ''Journal of Mammalian Evolution'' 8(4):279-296.

★ McKenna, Malcolm C., and Bell, Susan K. 1997. ''Classification of Mammals Above the Species Level.'' Columbia University Press, New York, 631 pp. ISBN 0-231-11013-8

★ Rybczynski N., 2007. Castorid phylogenetics: implications for the evolution of swimming and tree-exploitation in beavers ''Journal of Mammalian Evolution'' 14(1):1-35.

See also



Beaver

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