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A fluke of geology buried this whole ecosystem in layers of ash and mud that fossilized everything from the pollen to the toothy skulls of Rauisuchia, predators that hunted armored aetosaurs and 10-foot-long Temnospondyls, which looked like terrifying, mutant salamanders.

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Crandell opposed to Petrified Forest expansion

State Sen. Chester Crandell (R-Heber) has blasted the latest effort to expand Petrified Forest National Park by buying thousands of acres of potentially fossil-rich land.

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