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哺乳动物物种 来自维基百科,自由的百科全书
尖额牛(学名Bos acutifrons)是最古老的牛。牠们一直在印度生存至更新世中期。一般均认为所有牛都是源自于牠们,而原牛可能是于150-200万年前由牠们演化而来。
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