This 415-million-year-old monster scorpion existed before trees, and it's the biggest ever

Scientists have identified Praearcturus gigas, a one-meter-long scorpion from the Early Devonian period, as the largest scorpion ever discovered. This prehistoric predator, living around 415 million years ago, challenges previous notions of giant arthropod evolution, possibly growing massive due to low competition and aquatic adaptations.

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