+The Cambrian Period, spanning roughly 539 to 485 million years ago, marks a pivotal chapter in Earth's history. It is renowned for the [Cambrian Explosion](/wiki/cambian_explosion), an event where nearly all major [Animal Phyla](/wiki/animal_phyla) rapidly appeared in the fossil record. This ancient time within the [Paleozoic Era](/wiki/paleozoic_era) saw the dawn of complex multicellular life.
+## See also
+- [Geologic Time](/wiki/geologic_time)
+- [Evolution](/wiki/evolution)
+- [Fossils](/wiki/fossils)
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