Oxytropidoceras Posted October 10, 2019 Share Posted October 10, 2019 Part 1 Scientific Integrity in Education; Part 2: “The Great Dying” – end Permian extinction John Geissman, University of Texas at Dallas Geologists of Jackson Hole https://www.youtube.com/watch?v=2nYTuDP54ZI Yours, Paul H. Link to comment Share on other sites More sharing options...
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