Wherever you find dinosaurs, chances are that Dimetrodon is close by. The sail-backed creature is a staple of museum displays, boxes of sugar-saurus cookies, and sets of plastic dinosaurs, and I have ...
Paleontologists have long been fascinated by bizarre structures on prehistoric animals. The horns of Styracosaurus, the sail of Dimetrodon, the crest of Tupuxuara and more—these odd ornaments raise ...
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