Family: Anomaluridae (scaly-tailed squirrels)
Family: Aplodontiidae (mountain beaver)
Family: Castoridae (beavers)
Family: Heteromyidae (kangaroo rats, kangaroo mice)
Family: Diatomyidae (Laotian rock rat)
Family: Ctenodactylidae (gundis)
Family: Bathyergidae (African mole rats)
Family: Hystricidae (old world porcupines)
Family: Abrocomidae (chinchilla rats)
Family: Capromyidae (hutias)
Family: Ctenomyidae (tuco-tucos)
Family: Dasyproctidae (agoutis)
Family: Dinomyidae (pacaranas)
Family: Echimyidae (spiny rats)
Family: Myocastoridae (nutria)
Family: Octodontidae (octodonts)
Family: Dipodidae (jerboas, jumping mice)
Family:
Calomyscidae (mouse-like hamsters)
Zagros Mountains mouse-like Hamster (Calomyscus bailwardi)
Baluchi mouse-like Hamster (Calomyscus baluchi)
Goodman's mouse-like Hamster (Calomyscus elburzensis)
zykovi (Calomyscus elburzensis)
Noble mouse-like Hamster (Calomyscus grandis)
Hotson's mouse-like Hamster (Calomyscus hotsoni)
Great Balkhan mouse-like Hamster (Calomyscus mystax)
Tsolov's mouse-like Hamster (Calomyscus tsolovi)
Urar mouse-like Hamster (Calomyscus urartensis)
Family: Cricetidae (hamsters, new world rats, mice, voles)
Family: Gliridae (dormice)
Family: Muridae (true mice, rats, gerbils, spiny mice, crested rat)
Family: Nesomyidae (climbing mice, rock mice, white-tailed rat, Malagasy rats, mice)
Family: Pedetidae (springhares)
Family: Petromuridae (dassie rat)
Family: Platacanthomyidae (spiny dormice)
Family: Spalacidae (mole rats, bamboo rats, zokors)
Family: Thryonomyidae (cane rats)
