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 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 ...

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

Two palaeontologists working on the world-renowned Burgess Shale have revealed a new species, called Mollisonia plenovenatrix, which is presented as the oldest chelicerate. This discovery places the ...