The Ordovician lasted for 47 million years from 490 to 443 Million Years Ago.
The Ordovician lasted for 47 million years from 490 to 443 Million Years Ago.
The Ordovician lasted for 47 million years from 490 to 443 Million Years Ago.
No mammals existed in the Ordovician
Algae was the dominant plant of the Ordovician. There were little to no other plants (other then algae) during the Ordovician. In the Ordovician, the common types of algae were Stromatolites (Blue green algae), and Tetradium (Red algae).
The Silurian period followed the Ordovician period.
The Ordovician period came after the Cambrian period.
The Paleozoic Era Lasted about 2799. You can add all the numbers of the: Permian, Carboniferous, Devonian, Silurian, Ordovician, and the Cambrian. Add all of there numbers of how long each era lasted. So that's how long the Paleozoic Era Lasted ("2799")
The Ordovician period follows the extinction at the end of the Cambrian period.
nautiloids
copper
Ordovician period
The Appalachian Mountain range was created during the middle Ordovician Period (about 496-440 million years ago).