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2014年末,古生物学家在美国犹他州山区发现了一块重达9吨的砂岩,上面保留着迄今为止最大的犹他盗龙化石群。科学家已经在砂岩上面鉴别出了6只恐龙的化石,而更多的化石还有待发现。犹他盗龙的身上覆盖着羽毛,在第二脚趾上长有巨大、弯曲的趾爪。科学家称,它们的外形有点像《侏罗纪公园》里的恐龙明星——伶盗龙(又被称为迅猛龙)。据《国家地理》的报道,犹他州古生物学家詹姆斯·柯克
In late 2014, paleontologists discovered a 9-ton sandstone in the Utah mountain region of the United States, retaining the largest Utahid fossil fossil cluster to date. Scientists have identified fossils of six dinosaurs above the sandstone, and more fossils have yet to be discovered. Utah Pirate body covered with feathers, the second toe long, huge, curved toe claws. Scientists say they look a bit like the dinosaur star Jurassic Park - the Raptor (also known as the Raptor). According to National Geographic reports, Utah paleontologist James Kirk