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来自维基百科,自由的百科全书
原盖龟(学名:Protostega)是一类已灭绝的海龟。它们最初是于1872年肯萨斯州的斯莫基山组(Smoky Hill Chalk)发现,并由爱德华·德林克·科普(Edward Drinker Cope)命名。它们长约3米,大小仅次于古巨龟,是已知第二大的龟。[1]
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