Simimyidae

Sciuromorpha: †Allomyidae | Aplodontiidae | †Mylagaulidae | †Reithroparamyidae | Sciuridae | Gliridae

Castorimorpha: †Eutypomyidae | Castoridae | †Rhizospalacidae | †Eomyidae | †Florentiamyidae | †Heliscomyidae | †Mojavemyidae | Heteromyidae | Geomyidae

Myomorpha: †Armintomidae | Dipodidae | †Anomalomyidae | †Simimyidae | Platacanthomyidae | Spalacidae | Calomyscidae | Nesomyidae | Cricetidae | Muridae

Anomaluromorpha: Anomaluridae | †Parapedetidae | Pedetidae

Hystricomorpha: †Tamquammyidae | †Gobiomyidae | Ctenodactylidae | Diatomyidae | †Yuomyidae | †Chapattimyidae | †Tsaganomyidae | †"Baluchimyinae" | †Bathyergoididae | Bathyergidae | Hystricidae | †Myophiomyidae | †Diamantomyidae | †Phiomyidae | †Kenyamyidae | Petromuridae | Thryonomyidae | Erethizontidae | Chinchillidae | Dinomyidae | Caviidae | Dasyproctidae | †Eocardiidae | Cuniculidae | Ctenomyidae | Octodontidae | †Neoepiblemidae | Abrocomidae | Echimyidae | Myocastoridae | Capromyidae | †Heptaxodontidae

Prehistoric rodents (incertae sedis): †Eurymylidae | †Cocomyidae | †Alagomyidae | †Archetypomyidae | †Ivanantoniidae | †Laredomyidae | †Ischyromyidae | †Theridomyidae | †Protoptychidae | †Zegdoumyidae | †Sciuravidae | †Cylindrodontidae | †Zelomyidae

† indicates extinct taxa