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箭齒獸

箭齿兽属
化石时期:中新世全新世11.6–0.005 Ma
絕滅(化石)
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 哺乳纲 Mammalia
目: 南方有蹄目 Notoungulata
科: 箭齿兽科 Toxodontidae
属: 箭齿兽属 Toxodon
Owen, 1837
  • T. burmeisteri Giebel, 1866
  • T. chapalmalensis Ameghino, 1908
  • T. darwini Burmeister, 1866
  • T. ensenadensis Ameghino, 1887
  • T. expansidens Cope, 1886
  • T. gracilis Gervais and Ameghino, 1880

箭齒獸Toxodon)是南方有蹄目中已滅絕的一生態上與河馬相似,生存於中新世全新世南美洲。箭齒獸與一些南蹄目經歷了南北美洲生物大遷徙,相信因更新世的氣候轉變而滅絕。查爾斯·達爾文(Charles Darwin)在《小獵犬號航行之旅》中首先研究了牠的化石。有指箭齒獸的生活模式有點似南美洲的河馬,有可能被一般劍齒虎所掠食。

Toxodon platensis

箭齒獸中的T. platensis是一種體型很大的草食性動物,長約2.75米及高1.5米,外觀像犀牛

外部連結

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箭齒獸
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