| oreodon | <paleontology> A genus of extinct herbivorous mammals, abundant in the Tertiary formation of the Rocky Mountains. It is more or less related to the camel, hog, and deer. Origin: Gr, mountain +, tooth. Source: Websters Dictionary (01 Mar 1998) |
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| oreodont | <paleontology> Resembling, or allied to, the genus Oreodon. Source: Websters Dictionary (01 Mar 1998) |