Sällskapsdjur
Underordning Sciuromorpha (ekorrliknande gnagare)
Family Sciuridae (ekorrar)
* trädekorrar:
* Eastern Grey Squirrel (Sciurus carolinensis)
* Fox Squirrel (Sciurus Niger)
* Red Squirrel (Tamiasciurus Hudsonicus)
* Abert's Squirrel (Sciurus Aberti)
* Douglas Squirrel (Tamiasciurus Douglasii)
* Flying Squirrel (Glaucomys spp.)
* markekorrar:
* Mark ekorre (Spermophilus spp.)
* Chipmunk (Tamias spp.)
* Marmot (Marmota spp.)
* Prairie Dogs:
* Black-Tailed Prairie Dog (Cynomys ludovicianus)
* White-Tailed Prairie Dog (Cynomys Leucurus)
* Gunnisons Prairie Dog (Cynomys Gunnisoni)
* ekorrar:
* Pygmy Squirrel (Sciurillus spp.)
* Giant Squirrel (Ratufa spp.)
* annat:
* Marmot (Marmota spp.)
* Rock Squirrel (Spermophilus Variegatus)
* Randig mark ekorre (Spermophilus tridecemlineatus)
Family Castoridae (Beavers)
* Beaver (Castor spp.)
Family Geomyidae (Pocket Gophers)
* Pocket Gopher (Geomys spp.)
Familj Heteromyidae (Kangaroo -råttor, fickmöss)
* Kangaroo råtta (Dipodomys spp.)
* Pocket Mouse (Perognathus spp.)
Familj Zapodidae (hoppmöss)
* Jumping Mouse (Zapus spp.)
Underordning myomorpha (musliknande gnagare)
Family Cricetidae (hamstrar, voles, möss)
* voles:
* Meadow Vole (Microtus Pennsylvanicus)
* Röd-backed Vole (Myodes Gapperi)
* Water Vole (Arvicola Terrestris)
* Långsvansvoll (Microtus longicaudus)
* möss:
* House Mouse (Mus Musculus)
* White Footed Mouse (Peromyscus Leucopus)
* Deer Mouse (Peromyscus Maniculatus)
* Skördemus (Reithrodontomys spp.)
* råttor:
* Norge råtta (Rattus norvegicus)
* Takråtta (Rattus rattus)
* Hamsters:
* Golden Hamster (Mesocricetus auratus)
* Syrisk hamster (Mesocricetus auratus)
* European Hamster (Cricetus Cricetus)
* Dwarf Hamster (Phodopus spp.)
* annat:
* Lemming (Lemmus spp.)
* Muskrat (Ondatra Zibethicus)
* Fältmus (Apodemus spp.)
Family Muridae (gamla världsråttor och möss)
* råttor:
* Black Rat (Rattus rattus)
* Brun råtta (Rattus norvegicus)
* möss:
* House Mouse (Mus Musculus)
* Fältmus (Apodemus spp.)
* annat:
* Spiny Mouse (Acomys spp.)
* Giant Rat (Cricetomys Gambianus)
* Bandicoot Rat (Bandicota spp.)
Familj Erethizontidae (New World Porcupines)
* North American Porcupine (Erethizon Dorsatum)
Family Hystricidae (Old World Porcupines)
* Indian Crested Porcupine (Hystrix Indica)
* African Crested Porcupine (Hystrix Cristata)
Family Dipodidae (Jerboas)
* Jerboa (Jaculus spp.)
Family Spalacidae (molråttor)
* Naked Mole Rat (Heterocephalus Glaber)
* Vanlig molråtta (Spalax spp.)
Underordning Hystricomorpha (svinliknande gnagare)
Family Chinchillidae (Chinchillas, Viscachas)
* Chinchilla (Chinchilla spp.)
* Viscacha (Lagidium spp.)
Family DasyProctidae (agoutis, Pacas)
* Agouti (DasyProcta spp.)
* PACA (Cuniculus Paca)
Family Capromyidae (Hutia)
* Hutia (Capromys spp.)
Family Caviidae (Capybara, Maras, Cavies)
* Capybara (hydrochoerus hydrochaeris)
* Mara (Dolichotis spp.)
* Guinea Pig (Cavia Porcellus)
Family Dinomyidae (Giant Rat)
* Giant Rat (Dinomys Branickii)
Family Echimyidae (spiny råttor)
* Spiny Rat (Echimys spp.)
Underordning Anomaluromorpha (hoppmöss)
Familj Anomaluridae (Scaly-tailed Squirrels)
* Scaly-tailed Squirrel (Anomalurus spp.)
Underordning castorimorpha (bäverliknande gnagare)
Family Castoridae (Beavers)
* Beaver (Castor spp.)
Family Bathyergidae (mullråttor)
* Naked Mole Rat (Heterocephalus Glaber)
* Cape Mole Rat (Georychus capensis)
Family Pedetidae (Springhares)
* Springhare (Pedetes capensis)
Obs: Detta är inte en uttömmande lista, eftersom det finns många fler gnagarearter över hela världen.