A team of researchers found a fossil of a sea scorpion that was about 3 feet. That's about the size of a dog – and not a chihuahua either. Mixopterids, the most remarkable of the eurypterid ...

Dating back 460 million years, it is the oldest known species of eurypterid (sea scorpion) - extinct monster-like predators that swam the seas in ancient times and are related to modern arachnids.

The team that discovered the eurypterid, the formal name for a sea scorpion, believes that it could have been a top predator in the shallow waters of South China between 444 and 419 million years ago.

It was then put into a white plaster jacket to stabilise it." The claw is from a sea scorpion (eurypterid) Jaekelopterus rhenaniae that lived between 460 and 255 million years ago. It is 46 ...

The massive sea scorpion, or eurypterid, is related to modern arachnids and hails from the Ordovician Period some 460 million years ago, before the evolution of air-breathing animals. It's also ...

It is the oldest described eurypterid -- a group of aquatic arthropods ... true of the recently discovered Pentecopterus, a giant sea scorpion with the sleek features of a penteconter, one of ...

[See Images of the Ancient Sea Scorpion] You may like 125 million ... and predated the newfound eurypterid fossils by several million years, he added. Researchers found more than 150 fossil ...

James Lamsdell dug into the curious case of a 340 million-year-old sea scorpion, or eurypterid, originally from France that had been preserved at a Glasgow, Scotland museum for the last 30 years.

Scientists are marveling at the world’s oldest sea scorpion – the Pentecopterus ... It was part of the eurypterid family, a group of ancient creatures that are the ancestors of modern spiders ...

A 3.3 foot-long (1 meter) sea scorpion prowled the ... recently discovered the remains of this scorpion (Terropterus xiushanensis), which was a eurypterid — an ancient arthropod closely related ...

A team of researchers found a fossil of a sea scorpion that was about 3 feet. That's about the size of a dog – and not a chihuahua either. Mixopterids, the most remarkable of the eurypterid (sea ...