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Contact: Jyoti Madhusoodanan

CT scan of a Diplodocus Tooth

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Caption: This is a CT-generated movie of the premaxilla of Diplodocus (YPM 4677), with bone rendered transparent and teeth opaque.

Credit: D'Emic MD, Whitlock JA, Smith KM, Fisher DC, Wilson JA (2013) Evolution of High Tooth Replacement Rates in Sauropod Dinosaurs. PLoS ONE 8(7): e69235. doi:10.1371/journal.pone.0069235

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Related news release: Plant-eating dinosaurs replaced teeth often, carried spares

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