Here’s a grab-bag of follow-up stuff related to our new paper on neural canal ridges in dinos (Atterholt et al. 2024, see the previous post and sidebar page). Neural canal ridges, or bony spinal cord supports?

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Something cool came in the mail today: a fossil tooth of a great white shark, Carcharodon carcharias. The root is a bit eroded, but the enamel-covered crown is in great shape, and it’s almost exactly the same size as my cast tooth from a modern great white. I got this for a couple of reasons.

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