北极阿拉斯加的恐龙

距今七千五百万至七千万年前,一群耐寒的恐龙在如今阿拉斯加北部的严酷气候中繁衍生息

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大众科学 Magazine Vol 291 Issue 6This article was originally published with the title “The Dinosaurs of Arctic Alaska” in 大众科学 Magazine Vol. 291 No. 6 ()
doi:10.1038/scientificamerican122004-5rOeDLRImeI2f3xYFzjjH0
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