animal order - the order of animals

order Rodentia, Rodentia - small gnawing animals: porcupines; rats; mice; squirrels; marmots; beavers; gophers; voles; hamsters; guinea pigs; agoutis

Muroidea, superfamily Muroidea - essential equal to suborder Myomorpha with the Dipodidae excluded

Cricetidae, family Cricetidae - mostly small New World rodents including New World mice and lemmings and voles and hamsters

family Zapodidae, Zapodidae - jumping mice

Dipodidae, family Dipodidae - Old World jerboas

family Gliridae, Gliridae - dormice and other Old World forms

family Spalacidae, Spalacidae - mole rats