Return to main tree Sciuridae (Squirrels) Aplodontidae (Mountain Beaver) Heteromyidae (Pocket and Kangaroo Mice) Geomyidae (Pocket Gophers) Castoridae (Beaver) Cricetidae (Rats, Mice, Voles and Lemmings) Dipodidae (Jumping Mice) Erethizontidae (Porcupines) Dasyproctidae (Agoutis) Cuniculidae (Pacas)
Alternate Text: Orders, Families & Species in North America
 
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