Spinosaurus teeth and tyrannosaurus teeth were completely different.

棘龙的牙齿和霸王龙的牙齿完全不同。

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As for spinosaurus, diet was just the tip of the evolutionary iceberg.

对于棘龙来说，饮食只是进化的冰山一角。

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Fifty-seven feet long and up to nine tons, spinosaurus started poking his head around the early Cretaceous some 100 million years ago.

57英尺长，9吨重，棘龙在大约1亿年前的白垩纪早期就开始四处活动。

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"After losing to the spinosaurus in Jurassic Park III and now to a gorilla, it would seem that T. rex has lost most of it's 'rexness, '" says Horner.

FORBES: Magazine Article