Scorpions‘ ancestors first appeared around 450 million years ago. That’s as old as sharks, older than dinosaurs, and even older than trees. Scorpions evolved from these early arthropods, known as ...

Fossil evidence points to a prehistoric river system that may have supported unusually large Eurypterids Some specimens suggest creatures far bigger than modern arthropods raising questions about ...

Fossils of the mighty sea creatures, formally known as eurypterids, were rarely found in Australia until now THE discovery of the remnants of enormous ancient scorpions has left scientists with more ...

Paleontologists have recently uncovered new evidence suggesting that these massive creatures, known as eurypterids, once inhabited what is now Australia. ( Representative Image: Canva) Imagine a world ...

A terrifying, dog-sized sea scorpion ('eurypterid') prowled the waters of what is now China some 435 million years ago, using its spiny arms to grab unsuspecting prey. This is the finding of ...

NEW HAVEN >> This seagoing arthropod that was an ancestor of the lobster grew to be almost 6 feet long. It’s known as Pentecopterus, named for Greek warships called penteconters, and its fossil was ...