Abstract
DISCOVERIES of the last few years in Wyoming and Montana have thrown a flood of light upon the great herbivorous dinosaurs of the Upper Cretaceous which Joseph Leidy named Trachodon, so that now they are by far the most completely understood group of the dinosaurs, not excepting the famous iguanodonts of the Wealden or Lower Cretaceous of Bernissart.
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O., H. The Upper Cretaceous Iguanodont Dinosaurs . Nature 81, 160–162 (1909). https://doi.org/10.1038/081160a0
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DOI: https://doi.org/10.1038/081160a0
