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.

Ciurca’s fossil-hunting excursions have garnered thousands of different specimens. The amateur collector has assembled the largest and most diverse collection of eurypterid fossils in the world, and ...

The fossil, collected from the Patrick Burn Formation near Lesmahagow, Scotland, shows a eurypterid Slimonia acuminata, with a serrated-spine-tipped tail curved strongly to one side.

Most eurypterid fossils have come from North America and Europe, with a few unearthed more recently in China. While some eurypterid fossils had been previously reported in Australia, ...

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.

Through computed tomography (CT) imaging, geologists found evidence of air breathing in a 340 million-year-old sea scorpion, or eurypterid. Scientists have long debated the respiratory workings of ...

The current study reported a rare Ordovician eurypterid from the Wenchang Formation of Anji County, Zhejiang Province. "Archopterus anjiensis is characterized by a parabolic carapace, ...

The fossil, collected from the Patrick Burn Formation near Lesmahagow, Scotland, shows a eurypterid Slimonia acuminate, with a serrated-spine-tipped tail curved strongly to one side.

"Upon death, Eurypterid provides digestive tracts often containing Silica Pearls, or even have incredibly rare Black Pearls used for manufacturing mysterious technologies," Studio Wildcard said.

The fossil, collected from the Patrick Burn Formation near Lesmahagow, Scotland, shows a eurypterid Slimonia acuminate, with a serrated-spine-tipped tail curved strongly to one side.