Samples of each of these five species formed highly supported monophyletic groups and had long genetic distance between iv them.
结果显示五个种类的样本在系群演化树中各自形成具高度支持的单系群，且种间彼此区隔以偏高的遗传距离。
The phylogenetic reconstruction supported Delphinidae and Phocoenidae respective monophyletic groups, and proposed a sister relationship between these two families.
系统重建分析支持海豚科和鼠豚科为单系发生，且两者构成姐妹群关系；
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