Blog Post Image: Extinct ‘Mega Claw’ Creature Had Spider-Like Brain

A fossil of the megacheiran Leanchoilia illecebrosa, showing its characteristic forceps-like great appendages. This species is a close relative of the more rare Alalcomenaeus and is likewise a distant relative of scorpions and spiders. (Photo: Xianguang Hou/YKLP, China)