When Sponges, Trilobites, and Jawless Fish Ruled the Earth
When Sponges, Trilobites, and Jawless Fish Ruled the Earth
Mar 9, 2017
thoughtco.com
When Trilobites Ruled the World
2:52
When Trilobites Ruled the World
Mar 3, 2014
NY TimesNatalie Angier
The Ordovician period was home to six-foot sea scorpions, giant squid-like cephalopods with towering shells, and countless trilobites. But it also marked the first mass extinction in Earth’s history, wiping out 85% of all life. For the first time, animal life faced a global collapse on an unprecedented scale. The cause? A dramatic shift from intense global cooling to rapid warming. It was a devastating one-two punch. Full series on Colossal's YouTube. | Colossal Biosciences
0:54
The Ordovician period was home to six-foot sea scorpions, giant squid-like cephalopods with towering shells, and countless trilobites. But it also marked the first mass extinction in Earth’s history, wiping out 85% of all life. For the first time, animal life faced a global collapse on an unprecedented scale. The cause? A dramatic shift from intense global cooling to rapid warming. It was a devastating one-two punch. Full series on Colossal's YouTube. | Colossal Biosciences
5.3K viewsMay 19, 2025
FacebookColossal Biosciences
The World Through the Ages: Ordovician Period | Moments in History
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Life in the Ordovician: 485 - 444 million years ago
Life in the Ordovician: 485 - 444 million years ago
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Join us from the side of a cliff where we're finding rare trilobites from the Ordovician Period of Pennsylvania! Check out our YouTube page for the entire episode. #onemorefind #paleontology #trilobites #fossilhunting #ordovician | One More Find
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in case you live under a rock, trilobites were a very abundant species of ancient arthropods that basically ruled the seas in the Cambrian and Ordovician. nobody did it like them and nobody ever will again. #paleontology #geology #yassified #trilobite #lgbt #queen #nonbinary
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