Welcome to the ocean of monsters. In this episode of the Stuff to Blow Your Mind podcast, Robert and Joe 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.
Via:: How stuff works