from the GNU version of the Collaborative International Dictionary of English
- 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.
from The Century Dictionary and Cyclopedia
- n. An order of fossil subungulate quadrupeds, or a suborder of Taxeopoda, named from the genus Toxodon.
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