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我们是如何挖掘出棘龙的
1,134,884 views |
Nizar Ibrahim |
TEDYouth 2014
• November 2014
Read transcript
棘龙生活于9700万年前，长达50英尺，善于在水中捕获猎物，是“久远时代的大恐龙”。考古学家 Nizar Ibrahim 和他的同事们在撒哈拉沙漠的悬崖里挖掘出了新的化石，帮助我们认识了迄今为止（人类发掘的）第一种能够在水里游泳的恐龙——可能也是世界上最大的肉食性恐龙。
paleontology
ancient world
dinosaurs
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