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年代亚种
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年代亚种
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年代亚种
释
chronological subspecies
年代亚种
在研究一批材料时,发现与已知的某个种相似,但二者在地层时代上存在差异,而且在形态特征上明显有别,却没有达到建立新种的程度,暂时在此种之下建立的一个亚种。是亚种的一种形式。
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