(image source: https://en.wikipedia.org/wiki/Dunkleosteus#/media/File:Dunkleosteus_terrelli_-_MUSE.jpg)

Host Matthew Donald and guest co-host Ben O'Regan discuss Dunkleosteus, the literally boneheaded fish that haunted the nightmares of early sharks. From the Late Devonian, this 26-foot placoderm not only preyed on anything it could get its plated teeth on, but also might have been an early example of giving live birth. So that's weird.

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