Rodents are the largest of the mammalian orders. To keep pages relatively small, several groups of rodents are on separate pages, linked to the current page.
Order Rodentia: Rodents
Suborder Hystricognatha
Infraorder Hystricognathi
Family Erethizontidae: Porcupines
Erethizon dorsata: Porcupine
Family Myocastoridae
Myocastor coypus: Nutria
Suborder Myomorpha
Infraorder Myodonta
Superfamily Dipodoidea
Family Dipodidae (considered by many to be Zapodidae for the genus Zapus): Jumping Mice, Jerboas
Zapus hudsonius: Meadow Jumping Mouse
Zapus princeps: Western Jumping Mouse
Superfamily Muroidea
Family Muridae: Old World Rats and Mice
Family Cricetidae: "New World" Rats and Mice
Subfamily Arvicolinae: Voles, Lemmings, Muskrats
Subfamily Neotominae: Neotomine Mice and Rats
Subfamily Sigmodontinae: Sigmodontine Rats and Mice
Infraorder Geomorpha
Suborder Sciuromorpha
Family Aplodontidae: Mountain Beavers
Aplodontia rufa: Mountain Beaver
Infraorder Sciurida
Infraorder Castorimorpha
Family Castoridae: Beavers
Castor canadensis: Beaver
Latest Update: 17 Jul 2005