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齒鯨的一個演化支 来自维基百科,自由的百科全书
鼠海豚科(学名:Phocoenidae)是齿鲸的一个演化支,与独角鲸科为姊妹群,现存约 3 属 7 种,外形类似海豚但体型较小且吻部不突出。
鼠海豚科 Phocoenidae
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