It represents the first unequivocal Ordovician eurypterid recorded in China as well as the oldest one ever found in the country, ... making Adelophthalmidae the longest-living eurypterid family ...

Yet nothing was known on whether it could breathe air. The closest living relative to the eurypterid is the horseshoe crab, which lays eggs on land but is unable to breathe above water.

Through computed tomography (CT) imaging, West Virginia University geologist James Lamsdell led a team that found evidence of air breathing in a 340 million-year-old sea scorpion, or eurypterid.

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 ...

NANJING, May 16 (Xinhua) -- Researchers from China and the United Kingdom have discovered fossils of a previously unknown eurypterid, more commonly referred to as a sea scorpion, dating back 450 ...

Now geologist Martin Whyte of the University of Sheffield, UK, has found a fossilised track left by a 1.6-metre-long eurypterid as it lumbered across a Carboniferous beach in Scotland.

Some of the animal's body segments suggest a total length of up to 1.7 metres (5.57 feet), making it the largest known eurypterid from its era. It is also 10 million years older than any other sea ...

Specimens of what appear to be the largest eurypterid species found in Australia could shed light on the sudden extinction of the massive arthropods. By Rebecca Dzombak Most modern scorpions would ...

Researchers from China and the United Kingdom have discovered fossils of a previously unknown eurypterid, more commonly referred to as a sea scorpion, dating back 450 million years to the ...