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placodermi |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Placodermi \Plac`o*der"mi\, n. pl [NL., fr Gr ?, ?, a tablet + ? skin.] (Paleon.) An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. See Illust. under {Pterichthys}, and {Coccosteus}. From WordNet r 1.6 [wn]: Placodermi n : extinct group of bony-plated fishes with primitive jaws [syn: {Placodermi}, {class Placodermi}]
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