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	The Ordovician Period: The Rise of Marine Life and the First Vertebrates (History Unfolded) View
	The Complete History of the Earth: Ordovician Period (Paleo Analysis) View
	The Complete History Of The Earth: Ordovician Era (Bridge) View
	Surviving the Ordovician period (Discovery Hub) View
	The Ordovician - Tour Through Time Episode 2 (Paleontology Plus) View
	What Was Life Like During the Ordovician Period (Earth 2.0) View
	Precambrian Creatures: The First Animals (The Budget Museum) View
	From the Cambrian Explosion to the Great Dying (PBS Eons) View
	The Age of Fish (History Of Life) View
	A Global ocean on a cooler Earth : Ordovician (Anthöny Pain) View