01 n.pl. An extinct order of Mammalia found in the South American Tertiary formation. The incisor teeth were long and curved and provided with a per…
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An extinct order of Mammalia found in the South American Tertiary formation. The incisor teeth were long and curved and provided with a persistent pulp. They are supposed to be related both to the rodents and ungulates. Called also Toxodontia.(Paleon.) Also: Toxodontia