HyperDic: placoderm

English > 1 sense of the word placoderm:
NOUNanimalplacodermfish-like vertebrate with bony plates on head and upper body
English > placoderm: 1 sense > noun 1, animal
MeaningFish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws.
Member ofPlacodermi, class PlacodermiExtinct group of bony-plated fishes with primitive jaws
Broaderaquatic vertebrateanimal living wholly or chiefly in or on water
Spanishplacodermo
Catalanplacoderm

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