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魚的進化是指魚類的演化進程。大約5.3億年前的寒武紀大爆發期間,就有生物開始逐步朝魚類進化,例如無頜總綱以及海口魚寒武紀晚期,出現了類似鰻魚牙形石以及甲冑魚泥盆紀時期,魚類的種類大量增加。 [1]

與許多其他生物一樣,魚類也會受到生物集群滅絕的影響。泥盆紀後期滅絕事件導致甲冑魚和盾皮魚以及其他魚類在泥盆紀末期滅絕。

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