the.com/devonian
the age fish decided legs were worth trying, roughly 400 million years too early for regret.
means a geologic period, about 419 to 359 million years ago, when fish diversified explosively and the first four-legged creatures crawled onto land.
from named in 1840 by geologists roderick murchison and adam sedgwick after devon, england, where they identified rock layers that didn't fit the accepted timeline of the time.
nicknamecalled the age of fishes
mass extinctionended with a die-off killing most marine species
forests debutfirst real trees and forests appeared here
land invasiontetrapods took their first steps onshore
for instance
tiktaalik — 377-million-year-old fish-tetrapod link found in canada, 2004
dunkleosteus — armored predator fish up to 8 meters long
archaeopteris — earliest known modern tree, spread across devonian forests
hangenberg event — extinction pulse ending the period roughly 359 million years ago