''Monosaulax'' is an extinct
genus of beaver-grouped
rodents. It is sometimes treated as a synonym of ''
Eucastor
''Eucastor'' is an extinct genus (biology), genus of beaver-grouped rodents.
Based on the available evidence of the Foramen, foramina, ''Eucastor'' most likely is closely related to Beaver, ''Castor'', but not in its direct lineage.
References ...
'' (McKenna and Bell, 1997).
References
* McKenna, Malcolm C., and Bell, Susan K. 1997. ''Classification of Mammals Above the Species Level''. Columbia University Press, New York, 631 pp.
Prehistoric beavers
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