Animal Armageddon – Hell On Earth (Discovery Channel HD Documentary)
A superplume volcanic eruption causes increased temperatures worldwide. Animals must adapt or die in order to survive. As their habitats evaporated, Tiktaalik, one of our ancestors, must adapt to land life in order to survive. The superstorm continues for 1.2 million years before it burns out. Most of the placoderms, including the enormous Dunkleosteus, are wiped out by this catastrophe. Only Bothriolepis survived.
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