“在进化早期也能长到如此之大，中华暴龙是我们已知的唯一例证，”布鲁塞特说。

"This is the only example that we know of tyrannosaurs being really big early in their history," said Brusatte.

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“从小型古暴龙向大型晚期暴龙的进化并不是一个平滑渐变的转变过程，”布鲁塞特说。

"These things didn't all form a smooth, gradual transition from small, older tyrannosaurs to big, more recent tyrannosaurs," said Brusatte.

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多塞特(Dorset)海岸发掘出了一只“海怪”的头骨化石，该“海怪”可能是至今发现的最大的上龙。

The fossilised skull of a "sea monster", which may be the largest of its type ever found, has been unearthed on the Dorset coast.

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多塞特(Dorset)海岸发掘出了一只“海怪”的头骨化石，该“海怪”可能是至今发现的最大的上龙。

The fossilised skull of a "sea monster", which may be the largest of its type ever found, has been unearthed on the Dorset coast.

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