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When giant scorpions swarmed the seas

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Exploring our Oceans

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Sea scorpions thrived for 200 million years, coming in a wide variety of shapes and sizes. Over time, they developed a number of adaptations— from crushing claws to flattened tails for swimming. And some of them adapted by getting so big that they still hold the record as the largest arthropods of all time.

How did sea scorpions, or eurypterids, adapt to the rise of fish during the Devonian Period?

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About Exploring our Oceans

Exploring our Oceans offers insight into the scientific marvels of the marine world, and the part you can play in uncovering the ocean's mysteries and safeguarding its future. From biology to physics to engineering, understanding our oceans involves a multitude of scientific approaches. Dive into our curated videos and supporting lesson materials, and find out how you can be a part of it all.

Meet The Creators

  • Video created by PBS Eons
  • Lesson Plan created by Luka Seamus Wright

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