Acristavus gagslarsoni
Acristavus gagslarsoni
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†Acristavus gagslarsoni是一种无冠鸭嘴龙科恐龙,生活在美国蒙大拿州和犹他州晚白垩世(约7900万年前)。这是一种大型双足/四足草食恐龙,以缺少冠饰为特点,与许多华丽的近缘物种形成对比。由Gates等人于2011年命名,有助于阐明鸭嘴龙科头部装饰的进化过渡。
食性与取食
Herbivore
Acristavus gagslarsoni 是草食性恐龙。草食性恐龙通常以蕨类植物、苏铁、针叶树等其所处时代的植被为食。许多草食性恐龙进化出了专门用于处理坚韧植物材料的牙齿和消化系统。
时代
Cretaceous Late
Mesozoic 代
Acristavus gagslarsoni 生活在距今约 100.5 至 66.0 百万年前的 Mesozoic 代 Cretaceous Late 纪。
恐龙时代的最终篇章,出现了霸王龙、三角龙、伶盗龙等标志性物种。恐龙在奇克苏鲁陨石撞击终结中生代之前达到了多样性顶峰。
发现地点
| 发现地点 | United States |
快速开始
| 地质时代 | Cretaceous Late |
| 食性 | Herbivore |
常见问题
When did Acristavus gagslarsoni live?
Acristavus gagslarsoni lived during the Cretaceous Late period (Mesozoic Era, 100.5–66.0 million years ago).
What did Acristavus gagslarsoni eat?
Acristavus gagslarsoni was a herbivore.
Where were Acristavus gagslarsoni fossils found?
Fossils of Acristavus gagslarsoni were found in United States.
比较恐龙
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