• Tiarajudens eccentricus ,牠是已知最古老的劍齒動物,生活年代大約在2億6000萬年前。ILLUSTRATION BY SERGEY KRASOVSKIY, STOCKTREK IMAGES VIA NAT GEO IMAGE COLLECTION" data-v3="0" src="https://img.natgeomedia.com/userfiles/sm/sm1920_images_A1/11802/2020081055595545.jpg" alt="插圖描繪的是合弓類的Tiarajudens eccentricus ,牠是已知最古老的劍齒動物,生活年代大約在2億6000萬年前。ILLUSTRATION BY SERGEY KRASOVSKIY, STOCKTREK IMAGES VIA NAT GEO IMAGE COLLECTION">
  • Uintatherium),這種5600萬年前的動物神似有著六根粗短的角與長長利齒的犀牛。PHOTOGRAPH BY DBI STUDIO, ALAMY STOCK PHOTO " data-v3="1" src="https://img.natgeomedia.com/userfiles/sm/sm1920_images_A1/11802/2020081055605449.jpg" alt="這張柬埔寨郵票上描繪著已滅絕的哺乳動物猶因他獸(Uintatherium),這種5600萬年前的動物神似有著六根粗短的角與長長利齒的犀牛。PHOTOGRAPH BY DBI STUDIO, ALAMY STOCK PHOTO ">
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  • 插圖描繪的是合弓類的Tiarajudens eccentricus ,牠是已知最古老的劍齒動物,生活年代大約在2億6000萬年前。ILLUSTRATION BY SERGEY KRASOVSKIY, STOCKTREK IMAGES VIA NAT GEO IMAGE COLLECTION

  • 這張柬埔寨郵票上描繪著已滅絕的哺乳動物猶因他獸(Uintatherium),這種5600萬年前的動物神似有著六根粗短的角與長長利齒的犀牛。PHOTOGRAPH BY DBI STUDIO, ALAMY STOCK PHOTO

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