Anomalocaris canadensis — the iconic 60-cm radiodont from the 508-million-year-old Burgess Shale of Canada — is one of the largest Cambrian animals and is often considered the apex predator of its time. This animal is commonly interpreted as a demersal hunter, responsible for inflicting injuries seen in trilobites. A new analysis of the animal’s arachnid-like front ‘legs’ demonstrates that, despite being a raptorial predator, Anomalocaris...
