The Cambrian Radiation

543 million years ago


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In More Detail:

The Cambrian is the first geologic Period of the Phanerozoic Eon – Phanerozoic means “visible life” in Latin – the Phanerozoic is the geological period where we can see life with our own eyes, without the aid of a microscope. We’re still living in the Phanerozoic, as you might notice you see a living creature!