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<p><strong>A pterosaur and its ecosystem at the end of the Triassic</strong></p> <p>Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us.</p> <p>In this episode, Kay Behrensmeyer and Ben Kligman describe what a fossil bone bed in Arizona reveals about a 209-million-year-old pterosaur and its ecosystem.</p> <p>In this episode, we cover:<br /> •[00:00] Introduction<br /> •[01:01] Paleoecologist Kay Behrensmeyer and paleontologist Ben Kligman describe the discovery of this fossil bone bed.<br /> •[03:10] Kligman and Behrensmeyer introduce a previously undescribed pterosaur.<br /> •[05:00] They talk about what this specimen says about the ecology and evolution of pt...