Tillodontia
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Til`lo`don´ti`a
n. pl. | 1. | (Paleon.) An extinct group of Mammalia found fossil in the Eocene formation. The species are related to the carnivores, ungulates, and rodents. Called also Tillodonta. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.