Re-evaluation of a soft crested Edmontosaurin, with implications for hadrosaurid life appearance and diversity.

Hadrosaurid dinosaurs are generally regarded as "crested" or "non-crested" depending on the presence or absence of a bony cranial crest. At least one supposedly "non-crested" hadrosaur is known to have possessed a soft tissue cranial crest (or comb),…

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