熊型下目(学名:Arctoidea)是一类包括已灭绝及现存的肉食性哺乳动物。其下包括了已灭绝的半狗科、Nothocyon属、现存的鼬科、熊科。(鳍足类动物也有被分类于此,但也被分类为鳍足目或鳍足亚目。)牠们分布在世界各大洲,最早可以追溯至4600万年前的始新世。[2]
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