
Tiny Claw in 500-Million-Year-Old Fossil Rewrites Spider Origins by 20 Million Years
During a routine cleaning of a 500-million-year-old fossil, scientists made a startling discovery: a tiny claw in a location where none was expected. This unexpected claw led to the identification of *Megachelicerax cousteaui*, now recognized as the oldest known relative of spiders, a discovery









