What perion came before the carboniferous period?

The period that came before the Carboniferous Period is the Devonian Period. It lasted from approximately 419 to 359 million years ago and is often referred to as the "Age of Fishes" due to the diversity and dominance of fish during this time. The Devonian was also marked by significant developments in terrestrial life, including the emergence of early amphibians and the first true forests.