ORDOVICIAN

PALEOZOIC ERA

ORDOVICIAN PERIOD, PALEOZOIC ERA

• Lasted about 45 million years.
• Beginning about 488.3 million years ago
• Ended 443.7 million years ago

The Ordovician Period is the second period of the Paleozoic Era. This important period saw the origin and rapid evolution of many new types of invertebrate animals which replaced their Cambrian animals.

There are more animals in the sea than the land.

There was a lot of oceans, Animals
became extinct after glaciers formed. These are the 10 animals and plants, Cephalopods, Brachiopods, Crinoids, algae, fungi, sponges, corals, Devonian, Lophophorates, Trilobites.

The temperature dropped rapidly.
It froze over, there was cliffs around the oceans, there was a lot of water during this time.