Unlike many horseshoe crab fossils discovered in the past, Vaderlimulus dates to the Triassic Period. It’s the first such crab fossil found from that period, with the vast majority dating to an ...

Explore the mysteries of Earth's history through this remarkable crab fossil reveal. More for You IRS to send 1 million taxpayers up to $1,400 in 'special payments.' ...

crab- or spider-like legs and a long, stout tail. It is a “living fossil” whose appearance has remained unchanged for about 200 million years. Females are about 60 centimeters long and weigh ...