Scientists have reconstructed the evolutionary history of the chelicerates, the mega-diverse group of 110,000 arthropods that includes spiders, scorpions, mites and ticks. Scientists from the ...

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 ...

Researchers sequenced the genome of a sea spider, revealing it lacks whole-genome duplication seen in related arachnids. This positions sea spiders near the base of the chelicerate family tree. The ...

It boasts a pair of bulgy egg-shaped eyes, a dorsal skeleton that resembles a shield of sharp armour, and numerous pairs of limbs that could grasp, crush and chew. And its name is a mouthful: ...

Scientists from the University of Bristol and the Natural History Museum in London have reconstructed the evolutionary history of the chelicerates, the mega-diverse group of 110,000 arthropods that ...