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Noun1.Castoridae - beavers
mammal family - a family of mammals
Sciuromorpha, suborder Sciuromorpha - large more or less primitive rodents: squirrels; marmots; gophers; beavers; etc.
genus Castor, Castor - type genus of the Castoridae: beavers
Castoroides, genus Castoroides - extinct beavers of the Pleistocene; of eastern and southern United States
References in periodicals archive ?
tridecemlineatus (Mitchill), N thirteen-lined ground squirrel Tamias striatus (Linneaus), I eastern chipmunk Tamiasciurus hudsonicus N (Erxleben), red squirrel Family Geomyidae (pocket gophers) Geomys bursarius (Shaw), plains NW pocket gopher Family Castoridae (beavers) Castor canadensis Kuhl, beaver I The beaver was extirpated by 1900 but was reintroduced.
It's the only surviving member of the family Castoridae, which includes semi-aquatic rodents.
pocket mouse -- 2 2 Dipodomys heermanii, Heermann's kangaroo rat x -- -- Castoridae Castor canadensis, beaver x -- -- Muridae Neotoma cinerea, bushy-tailed woodrat x -- -- N.