THE ORDOVICIAN PERIOD

FACTS ABOUT THE ORDOVICIAN PERIOD

• It was 490 million years ago
• Ordovician rocks were first found in wale rocks
• Primitive fish lived in the ordovician waters
• Fungi and algae that were left in land became lichen
• Lichen broke down rock and that became the first soil

SOME ANIMALS IN THE ORDOVICIAN PERIOD

• Orthoceras were an ancient mollusk
• Ortheceras were an octupus/squid like creature
• Brachiopods fed on the bottom of the ocean

THE ORDOVICIAN PERIOD ENDED BECAUSE OF AN ICE AGE