齿鲸亚目
- 网络odontoceti;Odontocetes;Suborder Odontoceti
齿鲸亚目-
此外，分子生物学技术还被用于解决须鲸亚目和齿鲸亚目内科间以及科内种间的系统发生关系，特别是齿鲸亚目的海豚科、鼠豚科和淡水豚类。
In addition , molecular biological techniques have been applied to address phylogenetic relationships among families within the suborder Mysticeti or Odontoceti , and within families , especially within the families Delphinidae and Phocoenidae , and river dolphins .
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那时，齿鲸亚目（该目包括海豚、齿鲸、抹香鲸、喙鲸等成员）从古鲸亚目中分离出来，而其中的一些成员，特别是现代海豚的祖先，体型减小，大脑体积增大。
When this split occurred , body sizes for some decreased and brain sizes increased , especially in the ancestors of modern dolphins .