Pre-Historic Sea Scorpions Larger Than Humans


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Mock-up of fossil sea scorpion compared to a human (Photo Credit: Markus Poschmann)

It is a good thing we weren't around 400 million years ago. If we had, we would probably have been afraid of being squashed by bugs, rather than the other way around.

Scientists in Germany recently discovered a fossilized claw (preserved remains of a nail), of a sea scorpion that was a foot and a half long. Reconstructing an image of how big the creature might have been, led scientists to realize, that this was probably the largest bug ever discovered. They estimated that this creature, which lived over 250 to 460 million years ago, was, at least, eight feet tall.

Mark Poschmann with fossil claw
(Photo Credit: Mark Poschmann)

The discovery of the claw has also led scientists to believe that in the past, the family of arthropods - animals with hard external skeletons, jointed limbs and segmented bodies (spiders, scorpions, insects, crabs, etc.) - were a lot larger than even most humans today.

There is a lot of debate of how these creatures got so big. One theory is that it was due to the higher levels of oxygen in the atmosphere. However, others believe that since these were sea creatures, it was because they were at the top of the food chain with little competition. They ate everything in sight, including other sea scorpions, and hence ended up larger than the rest of the creatures.


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  • gold3nglare
    gold3nglareThursday, November 19, 2020 at 7:36 am
    Super scary!
    • spongbob_nurd
      spongbob_nurdTuesday, September 24, 2019 at 10:47 am
      wow thats scarey
      • jaidenbelloThursday, February 7, 2019 at 8:50 am
        thats big
        • CoolMonday, January 28, 2019 at 2:43 pm
          Too bad but I don't want to get squashed by bugs🦀
          • ThundarTuesday, January 22, 2019 at 12:07 pm
            • ludonutexujyfo
              ludonutexujyfoTuesday, December 18, 2018 at 6:54 am
              i always think "what's the biggest bug ever found??
              • wimpy kid Wednesday, November 28, 2018 at 10:58 am
                i think this is cool how big it was and people need more history in their life.
                • gfjWednesday, November 14, 2018 at 5:38 am
                  • gfjThursday, November 8, 2018 at 6:00 am
                    • gfjWednesday, November 7, 2018 at 1:33 am