The Mother of Spiders, Horseshoe Crabs, and Things That Go Snap
The claws of Megachelicerax give away its relationship to spiders, horseshoe crabs, and other chelicerates. Credit: Masato Hattori
Paleontologists have uncovered the oldest known relative of spiders and horseshoe crabs, Megachelicerax, rewriting the story of how claws came out of the water.
Read More