Definition of "dimetrodon" []

• A carnivorous synapsid, of the genus Dimetrodon, from the Permian period (noun)

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• "Still trying to figure out when I can sneak a dimetrodon into STRANGEWAYS, actually ..."
• "I was under the impression that “therapsid” always referred to a kind of synapsid reptile and was distinct from “pelycosaur” another kind of synapsid think dimetrodon."
• "Synapsids were pelycosaurs (i.e. dimetrodon) cynodonts, dicynodonts and all living and extinct mammals (a true clade), euryapsids were plesiosaurs and icthyosaurs (now all extinct) and diapsids all other amniotes."