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Ordovician to Permian Pronunciation

485-252 million years ago

The Ordovician through Permian periods span most of the Paleozoic Era, a vast stretch of time when life was establishing itself in the seas and eventually colonizing land. This was hundreds of millions of years before the first dinosaur.

Fun Facts

  • The Ordovician Period saw the first vertebrates with jaws evolve.
  • Land plants first colonized terrestrial environments during the Ordovician-Silurian transition.
  • By the end of this interval, the first forests had appeared and the land was becoming recognizable.

Questions About the Early Paleozoic