Castorimorpha is the suborder of

rodent Rodents (from Latin , 'to gnaw') are mammals of the Order (biology), order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and Mandible, lower jaws. About 40% of all mammal specie ...

s containing the

beaver Beavers (genus ''Castor'') are large, semiaquatic rodents of the Northern Hemisphere. There are two existing species: the North American beaver (''Castor canadensis'') and the Eurasian beaver (''C. fiber''). Beavers are the second-large ...

gopher Pocket gophers, commonly referred to simply as gophers, are burrowing rodents of the family Geomyidae. The roughly 41 speciesSearch results for "Geomyidae" on thASM Mammal Diversity Database are all endemic to North and Central America. They ar ...

s and the kangaroo rats. A 2017 study using retroposon markers indicated that they are most closely related to the Anomaluromorpha (the scaly-tailed squirrels and the springhare) and

Myomorpha The suborder Myomorpha contains 1,524 species of mouse-like rodents, nearly a quarter of all mammal species. Included are mice, rats, gerbils, hamsters, lemmings, and voles. They are grouped according to the structure of their jaws and molar t ...

(mouse-like rodents).

Taxonomy

*Suborder Castorimorpha **Superfamily Castoroidea ***Family † Eutypomyidae ***Family

Castoridae Castoridae is a family of rodents that contains the two living species of beavers and their fossil relatives. A formerly diverse group, only a single genus is extant today, ''beaver, Castor.'' Two other genera of "giant beavers", ''Castoroides'' ...

– beavers ***Family † Rhizospalacidae **Infraorder Geomorpha ***Superfamily † Eomyoidea ****Family † Eomyidae ***Superfamily Geomyoidea ****Family † Heliscomyidae ****Family † Florentiamyidae ****Family † Entoptychidae ****Family Geomyidae – pocket gophers ****Family

Heteromyidae Heteromyidae is a family of rodents consisting of kangaroo rats, kangaroo mice, pocket mice and spiny pocket mice. Most heteromyids live in complex burrows within the deserts and grasslands of western North America, though species within the ...

– kangaroo rats and mice ** Diplolophidae ***Genus †'' Floresomys'' ***Genus †'' Texomys'' ***Genus †'' Jimomys'' ***Genus †'' Diplolophus'' ***Genus †'' Schizodontomys'' ***Genus †'' Griphomys'' ***Genus †'' Meliakrouniomys'' † indicates extinct taxa.

References

Citations

Bibliography

*Carleton, M. D. and G. G. Musser. 2005. Order Rodentia. Pp 745–752 in Mammal Species of the World A Taxonomic and Geographic Reference. Johns Hopkins University Press, Baltimore. *McKenna, Malcolm C., and Bell, Susan K. 1997. ''Classification of Mammals Above the Species Level.'' Columbia University Press, New York, 631 pp. Rodent taxonomy Mammal suborders Extant Eocene first appearances Taxa named by Albert Elmer Wood {{rodent-stub