恐龙的怪异再次超出了人们的想像。最近科学家在中国内蒙古发现了一种小型恐龙化石,它只有普通鹦鹉大小,更怪诞的是,它的爪子竟然只有一根手指!最早出现的恐龙的爪子上有5根手指,但在演化过程中,一些兽脚类恐龙的爪子逐渐退化,变成了三指,更有甚者继续退化,比如霸王龙只有两根短小的手指。而这次发现的“临河爪龙”生活的时期比霸王龙早几千万年,它的爪子上只有一根又粗又长的手指。 Dinosaur weird beyond the imagination once again. Recently, a small dinosaur fossil was found in Inner Mongolia, China. It is only an ordinary parrot. Even more weird, its claw has only one finger. The earliest appeared dinosaur has 5 fingers on its paw, but in the process of evolution , Some paws of the toad-like dinosaurs gradually degenerate into three fingers and even worse, the tyrannosaurus rex has only two short fingers. The discovery of “Linhe claw dragon ” life period than the Tyrannosaurus as early as tens of millions of years, only one of its paws thick and long fingers.