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3-Foot Scorpion Fossil Rewrites History
11 Jun
Summary
- A 3-foot-long scorpion fossil lived 415 million years ago in Britain.
- Fossils misidentified for a century were revealed as giant scorpion remains.
- Researchers suggest the ancient creature had an amphibious lifestyle.

Fossils held for over a century at London's Natural History Museum have been re-examined, revealing the existence of a colossal scorpion. This prehistoric creature measured roughly 3 feet in length and inhabited the area now known as Great Britain around 415 million years ago.
Researchers now believe this enormous arthropod, previously misclassified as a crustacean, likely led an amphibious life. Its diet may have consisted of primitive fish found in ancient streams, offering new insights into Devonian-era ecosystems.
The reclassification underscores the value of revisionary science. By employing advanced tools like CT scans and comparing specimens to newly discovered fossils, scientists have pieced together a more accurate picture of this ancient behemoth. The findings also suggest a closer relationship between this scorpion and another ancient scorpion found in Canada.
This discovery challenges expectations for arthropod size during the early Devonian period. The scorpion's large size, possibly for defense, and its potential aquatic adaptations, like flaplike structures on its abdomen, provide intriguing clues about its survival strategies in a time when the lines between land and water were blurred.