Brocks compared it to finding a 100m-year-old T rex bone. " It would also have a colour, it would be grey, or brown, but it would tell you nothing about what kind of skin colour a T rex had, " he said.

克斯拿发现了一块1亿年前的霸王龙骨打了比方。 他说：" 这块骨也会有某种颜，是灰，也是棕，但它不告诉你霸王龙皮肤的颜。"