Rodentia Bowdich, 1821
Agnotocastor Stirton, 1935
Asiacastor Lytchev & Aubekerova, 1971
Boreofiber Radulesco & Samson, 1972
Capacikala Macdonald, 1963
Capatanka Macdonald, 1963
Castor Linnaeus, 1758
Castoroides Foster, 1838
Chalichomys Pomel, 1852
Chalicomus von Meyer, 1838
Chalicomys Kaup, 1832
Chloromys Schlosser, 1884
Daimonelix Barbour, 1892
Dipoides Jaeger, 1835
Eocastoroides Hibbard, 1938
Eucastor Leidy, 1858
Euhapsis Peterson, 1904
Euroxenomys
Fossorcastor Martin, 1987
Hystricops Leidy, 1858
Microdipoides Korth & Stout, 2002
Migmacastor Korth & Rybczynski, 2003
Monosaulax Stirton, 1935
Neatocastor Korth, 1996
Oligotheriomys Korth, 1998
Palaeocastor Leidy, 1869
Palaeomys Kaup, 1832
Paradipoides Rinker & Hibbard, 1952
Priusalax
Procastoroides Barbour & Schultz, 1937
Prodipoides Korth, 2007
Propalaeocastor Borisoglebskaya, 1967
Pseudopalaeocastor Martin, 1987
Romanocastor Radulesco & Samson, 1967
Schreuderia Aldana Carras, 1992
Sinocastor Young, 1935
Steneofiber Geoffroy St. Hilaire, 1834
Trigontherium
Trogontherium Fischer de Waldheim, 1809
Youngofiber Chow & Li, 1978
Zamolxifiber Radulesco & Samson, 1967
