The Burgess Shale in British Columbia, Canada, preserves numerous fossils that document the evolution of life on Earth. Among them is Habelia optata, a 508-million-year-old relative of early chelicerates. This armoured predator had five pairs of […]
The Burgess Shale in British Columbia, Canada, preserves numerous fossils that document the evolution of life on Earth. Among them is Habelia optata, a 508-million-year-old relative of early chelicerates. This armoured predator had five pairs of […]
