Rodentia (order)

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Scope note
Order containing more than 2,050 species in 27 families characterized by having no canine teeth and strong incisors, the upper and lower pairs of which are ever-growing and rootless, including rats, mice, porcupines, beavers, squirrels, marmots, pocket gophers, and chinchillas.
Rodentia
Accepted term: 10-Mar-2025