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 ...

"We are now sure she was a primitive marine arthropod, but her precise evolutionary relationships remain frustratingly ...

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

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 held ...

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 ...