Gnagere:en lang liste
Suborder Sciuromorpha (ekornlignende gnagere)
Family Sciuridae (ekorn)
* Tree ekorn:
* Eastern Gray Squirrel (Sciurus carolinensis)
* Fox Squirrel (Sciurus niger)
* Red Squirrel (Tamiasciurus Hudsonicus)
* Aberts ekorn (Sciurus aberti)
* Douglas Squirrel (Tamiasciurus Douglasii)
* Flying Squirrel (Glaucomys spp.)
* Ground ekorn:
* Ground Squirrel (Spermophilus spp.)
* Chipmunk (Tamias spp.)
* Marmot (Marmota spp.)
* Prairie Dogs:
* Black-Tailed Prairie Dog (Cynomys Ludovicianus)
* White-tailed Prairie Dog (Cynomys Lucurus)
* Gunnisons Prairie Dog (Cynomys Gunnisoni)
* ekorn:
* Pygmy Squirrel (Sciurillus spp.)
* Giant Squirrel (Ratufa spp.)
* Annet:
* Marmot (Marmota spp.)
* Rock Squirrel (Spermophilus variegatus)
* Stripete bakkekorn (Spermophilus tridecemlineatus)
Familie Castoridae (Beavers)
* Beaver (Castor spp.)
Family Geomyidae (Pocket Gophers)
* Pocket Gopher (Geomys spp.)
Familie Heteromyidae (Kangaroo -rotter, lommemus)
* Kangaroo rotte (Dipodomys spp.)
* Pocket Mouse (Perognathus spp.)
Familie Zapodidae (hoppende mus)
* Jumping Mouse (Zapus spp.)
Suborder Myomorpha (muselignende gnagere)
Familie Cricetidae (hamstere, voles, mus)
* voles:
* Meadow Vole (Microtus Pennsylvanicus)
* Rødstøttet Vole (Myodes Gapperi)
* Vannvole (Arvicola Terrestris)
* Long-tailed Vole (Microtus longicaudus)
* mus:
* House Mouse (Mus Musculus)
* Hvitfotet mus (Peromyscus leucopus)
* Hjortemus (Peromyscus maniculatus)
* Høstmus (ReithroDontomys spp.)
* rotter:
* Norge rotte (Rattus norvegicus)
* Takrot (rattus rattus)
* hamstere:
* Golden Hamster (Mesocricetus auratus)
* Syrisk hamster (Mesocricetus auratus)
* European Hamster (Cricetus Cricetus)
* Dverg hamster (Phodopus spp.)
* Annet:
* Lemming (Lemmus spp.)
* Muskrat (Ondatra Zibethicus)
* Feltmus (Apodemus spp.)
Familie Muridae (Old World Rats and Mice)
* rotter:
* Black Rat (Rattus Rattus)
* Brun rotte (Rattus norvegicus)
* mus:
* House Mouse (Mus Musculus)
* Feltmus (Apodemus spp.)
* Annet:
* Spiny Mouse (Acomys spp.)
* Giant Rat (Cricetomys Gambianus)
* Bandicoot Rat (Bandicota spp.)
Familie erethizontidae (New World Porcupines)
* Nordamerikansk Porcupine (Erethizon Dorsatum)
Familie Hystricidae (Old World Porcupines)
* Indian Crested Porcupine (Hystrix Indica)
* African Crested Porcupine (Hystrix Cristata)
Familie Dipodidae (Jerboas)
* Jerboa (Jaculus spp.)
Family Spalacidae (Mole Rots)
* Naked Mole Rat (Heterocephalus Glaber)
* Vanlig føflekk rotte (Spalax spp.)
Suborder Hystricomorpha (Porcupine-lignende gnagere)
Familie Chinchillidae (Chinchillas, Viscachas)
* Chinchilla (Chinchilla spp.)
* Viscacha (Lagidium spp.)
Familie DasyProctidae (Agoutis, Pacas)
* Agouti (DasyProcta spp.)
* Paca (Cuniculus Paca)
Familie Capromyidae (Hutia)
* Hutia (Capromys spp.)
Familie Caviidae (Capybara, Maras, Cavies)
* Capybara (Hydrochoerus hydrochaeris)
* Mara (Dolichotis spp.)
* Marsvin (Cavia porcellus)
Familie Dinomyidae (gigantisk rotte)
* Giant Rat (Dinomys Branickii)
Family Echimyidae (Spiny Rats)
* Spiny Rat (Echimys spp.)
underordning anomaluromorpha (hoppende mus)
Familie anomaluridae (skjellete-tailed ekorn)
* Skaly-tailed ekorn (Anomalurus spp.)
Suborder Castorimorpha (Beaver-lignende gnagere)
Familie Castoridae (Beavers)
* Beaver (Castor spp.)
Familie Bathyergidae (Mole Rots)
* Naked Mole Rat (Heterocephalus Glaber)
* Cape Mole Rat (Georychus capensis)
Familie Pedhetidae (Springhares)
* Springhare (Pedetes capensis)
Merk: Dette er ikke en uttømmende liste, ettersom det er mange flere gnagerarter over hele verden.