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(Original Caption) Professor Paul Sereno's team excavating African dinosaurs, the theropod Afrovenator and the saurop-od Jobaria. (Photo by Didier Dutheil/Sygma via Getty Images)

(Original Caption) Professor Paul Sereno's team excavating African dinosaurs, the theropod Afrovenator and the saurop-od Jobaria. (Photo by Didier Dutheil/Sygma via Getty Images)