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placodermのWordNet

  • 1名詞

    意味

    fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws

    頭部と体上部に骨板を持つ魚類様脊椎動物;デボン紀の海や川で優占し、最初の有顎脊椎動物とされる

    上位語