Paleontologists in England discovered the existence of a new marine species that roamed the Earth before the dinosaurs and ...

A 444-million-year-old fossil named "Sue" preserves internal organs of Keurbos susanae, raising questions about arthropod ...

Paleontologists are marveling over a unique fossil of a specimen that pre-dated the dinosaurs, according to new research.

And yet her durable carapace, legs, and head are missing – lost to decay over 440 million years ago," Gabbott said in a press release. "We are now sure she was a primitive marine arthropod, but her ...

The new study found the characteristics in Helmetia expansa differed from previous studies. It is said that these species had ...

Pyconogonids, commonly called sea spiders, are marine arthropods that have eight legs and a long mouthpart called a proboscis, according to the Monterey Bay Aquarium. The animal’s organs are ...