Welcome to the ocean of monsters. In this classic episode of the Stuff to Blow Your Mind podcast, Robert Lamb and Joe McCormick travel back 500 million years to the monster-haunted waters of the Cambrian period. Meet the monstrous trilobite, anomalocaris, opabinia, hallucigenia, wiwaxia, pikaia and leanchoilia. Plus, Dr. Anton Jessup drops by for a visit. (Originally published Oct 19, 2017)

Related Content: Original publication (with species illustrations)

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From the Vault: Cambrian Monster Mash