+The Paleozoic Era, meaning "ancient life," spanned from roughly 541 to 252 million years ago, a profound chapter in [Geologic Time](/wiki/geologic_time). It saw the explosive diversification of [Life](/wiki/life) with the [Cambrian Explosion](/wiki/cambrian_explosion), leading to the emergence of early fish, amphibians, and terrestrial plants before concluding with Earth's most severe mass extinction.
+## See also
+- [Mesozoic](/wiki/mesozoic)
+- [Cenozoic](/wiki/cenozoic)
+- [Evolution](/wiki/evolution)
... 1 more lines