The Cimexian Epoch: 250-280 Million Years

The Cimexian Epoch marked the first great age of terrestrial faunal life on Atmos. Named for the scuttlebugs, the first motile fauna to breathe air and thrive on land, this epoch unfolded over tens of millions of years as coastal ecosystems gave way to rich, layered terrestrial communities. It was a time of dramatic change-of blue forests pushing inland, terraspore webs thickening in the shadows, and small-bodied creatures creeping from moist soil and tangled rootbeds to explore a world of opportunity.

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