Castoridae

{{Taxobox | color = pink | name = Castoridae | fossil_range = Late Eocene - Recent | image = Beaver.jpg | image_width = 200px | image_caption = American Beaver, Castor canadensis | regnum = Animalia | phylum = Chordata | classis = Mammalia | ordo = Rodentia | subordo = Sciurognathi | familia = Castoridae | familia_authority = Hemprich, 1820 | subdivision_ranks = Genera | subdivision = †Eocastoroides
†Steneofiber
†Neatocastor
†Asiacastor
†Youngofiber
†Trogontherium
†Eucastor
†Schreuderia
†Dipoides
†Boreofiber
†Romanocastor
†Zamolxifiber
†Procastoroides
†Castoroides
†Paradipoides
†Agnotocastor
†Capacikala
†Pseudopalaeocastor
†Fossorcastor
†Euhapsis
†Propalaeocastor
†Palaeomys
†Palaeocastor
†Hystricops
Castor }} 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.

Taxonomy

The following taxonomy is based on McKenna and Bell (1997).

Family Castoridae
- †Eocastoroides incertae sedis
- Subfamily †Castoroidinae
  - †Steneofiber
  - †Neatocastor
  - †Asiacastor
  - †Youngofiber
  - †Trogontherium
  - †Eucastor
  - †Schreuderia
  - †Dipoides
  - †Boreofiber
  - †Romanocastor
  - †Zamolxifiber
  - †Procastoroides
  - †Castoroides - extinct giant beavers
  - †Paradipoides
- Subfamily Castorinae
  - †Agnotocastor incertae sedis
  - Tribe †Capacikalini
    - †Capacikala
    - †Pseudopalaeocastor
  - Tribe Castorini
    - Subtribe †Euhapsina
      - †Fossorcastor
      - †Euhapsis
    - Subtribe Castorina
      - †Propalaeocastor
      - †Palaeomys
      - †Palaeocastor
      - †Hystricops
      - Castor - modern beavers

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