Castorimorpha

• Suborder Castorimorpha
  • Superfamily Castoroidea
    • Family †Eutypomyidae
    • Family Castoridae – beavers
    • Family †Rhizospalacidae
  • Infraorder Geomorpha
    • Superfamily †Eomyoidea
      • Family †Eomyidae
    • Superfamily Geomyoidea
      • Family †Heliscomyidae
      • Family †Florentiamyidae
      • Family †Entoptychidae
      • Family Geomyidae – pocket gophers
      • Family Heteromyidae – kangaroo rats and mice
  • Diplolophidae ^{[citation needed]}
    • Genus †Floresomys
    • Genus †Texomys
    • Genus †Jimomys
    • Genus †Diplolophus
    • Genus †Schizodontomys
    • Genus †Griphomys
    • Genus †Meliakrouniomys

† indicates extinct taxa.

• 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. ISBN 0-231-11013-8