devonian
The Devonian is a geologic period and system of the Paleozoic Era spanning roughly 419 to 359 million years ago. It follows the Silurian Period and precedes the Carboniferous. The name derives from Devon, England, where rocks of this age were first studied.
During the Devonian, life diversified dramatically. Known as the Age of Fishes, it saw major diversification
Invertebrates and reef communities also diversified, with corals contributing to reef ecosystems. The late Devonian marks
Toward the end of the period, the Frasnian–Famennian extinction event caused major faunal turnover and reef