Add Yahoo as a preferred source to see more of our stories on Google. The surprisingly complex anatomy of the Cambrian chelicerate ‘Megachelicerax cousteaui.’ The fossil was completely unremarkable.

An important survival strategy for animal species is the so-called niche differentiation between larva and adult. Different developmental stages of the same animal occupy different ecological niches ...

A recent paper provides an updated perspective on the evolutionary history of chelicerates—a diverse and ecologically ...

A new study challenges traditional views on arachnid evolution, suggesting that the transition from water to land occurred multiple times rather than in a single event. The research also highlights ...

What started as routine fossil cleaning turned into a major scientific surprise when researchers uncovered a tiny claw in a 500-million-year-old specimen where no claw should exist. That detail ...

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