Who Was King Dinosaur Before Tyrannosaurus?

Who Was King Dinosaur Before Tyrannosaurus?
AP Photo/The Salt Lake Tribune, Al Hartmann

Iconic tyrannosauroids like T. rex famously dominated the top of the food web at the end of the reign of the dinosaurs. But they didn't always hold that top spot.

In a new study published in Royal Society Open Science, a research team led by the University of Tsukuba has described a new genus and species belonging to the Carcharodontosauria, a group of medium- to large-sized carnivorous dinosaurs that preceded the tyrannosauroids as apex predators.

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