大弯国家公园(Big Bend National Park)位于美国德克萨斯州西南部,是德克萨斯州最大的国家公园。除了奇异的地质景观,大湾国家公园里还发现了很多化石。1971年,德克萨斯州立大学的地质学研究生道格拉斯·劳森(Douglas A. Lawson)来到公园里挖掘化石,他在一个山谷中找到了一块细长的骨头。
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