Speaker Series 2017: The Teeth They are a-Changin’: The Morphology, Disparity, and Evolution of Theropod Teeth in the Late Cretaceous of the Western Interior Basin

Non-avian theropods are among the closest extinct relatives to birds, but our understanding of their diversity, evolution, and extinction are greatly hampered by their incomplete fossil record. Isolated teeth from the Western Interior Basin, though, provide a continuous sample of these taxa through the last 18 million years of the Cretaceous.

In his talk, Larson explains how the morphology of these teeth can be examined both within a single formation to recognize patterns of evolution and across formations to examine changes in morphology through time.

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