Octodontid meaning

(zoology) Any of the Octodontidae, a family of rodents including the degu (Octodon degus") and 12 other South American species.
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Origin of octodontid

  • Octodon +‎ -id < Ancient Greek ὀκτώ (oktō, “eight”) + ὀδών (odōn, “tooth”), according to the wear pattern of the teeth of these rodents, which resembles a figure 8.

    From Wiktionary