Horseshoe crabs are often referred to as the "living fossils" of our planet—the four known species, including three in Asia and one in North America, remain nearly identical to their ancient ...

According to curator Kojiro Azumakawa, the horseshoe crab has a bowl-shaped smooth shell, spiny body, crab- or spider-like legs and a long, stout tail. It is a “living fossil” whose appearance ...

Indeed, researchers are coming to realize that the term “living fossil” is a misnomer. One by one, the classic examples—horseshoe crabs, coelacanths, cycads, and more—have turned out to be very ...

The trilobite, an extinct marine arthropod vaguely resembling a horseshoe crab, inhabited the primordial seas that covered New England during ... joining the North American land mass in a continental ...

Horseshoe crabs — brown, body-armored beasts with long, spiked tails — are living fossils that have survived for a half-billion years. Each spring, horseshoe crabs crawl ashore and lay millions of ...