Skip to main content

When giant scorpions swarmed the seas

1,724,454 Views

9 Questions Answered

Best of Web

Let’s Begin…

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.

During what period did eurypterids experience a significant loss in diversity, likely due to competition with placoderms?

About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators

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