436-Million-Year-Old Scorpion Was Among the Planet’s First Air Breathers

436-Million-Year-Old Scorpion Was Among the Planet’s First Air Breathers

A newly described scorpion dating back to the early Silurian period is answering important questions about the first arachnids and the adaptations that enabled some of the earliest animals on Earth to migrate from aquatic to terrestrial habitats.
New resear…

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