Scientists have discovered a giant ancient sea scorpion species in New Mexico that lived between 307 and 303 million years ago. It belonged to an extinct group of aquatic arthropod invertebrate ...

Feb. 15—SANTA FE — Scientists have discovered the fossil — never found in New Mexico before — of a new species of giant sea scorpion in the Manzano Mountains. The 4-foot-long fossilized predator was ...

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 ...

A fossil 'cold case' in Queensland Museum's geosciences collection has led to the description of a new species of sea scorpion (eurypterid), Woodwardopterus freemanorum, which is not only the last ...