Castorimorpha

Castorimorpha is the suborder of rodents containing the beavers 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 (mouse-like rodents).

Taxonomy

 * 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
 * Genus †Floresomys
 * Genus †Texomys
 * Genus †Jimomys
 * Genus †Diplolophus
 * Genus †Schizodontomys
 * Genus †Griphomys
 * Genus †Meliakrouniomys

† indicates extinct taxa.