A newly discovered species of dinosaur, characterized by a wonderfully elaborate head crest, is the oldest known member of the lineage that culminated in Tyrannosaurus rex more than 90 million years later.
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Holtz Jr, T. A Jurassic tyrant is crowned. Nature 439, 665–666 (2006). https://doi.org/10.1038/439665a
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DOI: https://doi.org/10.1038/439665a
