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

While many questions remain about Keurbos susanae, this fossil stands out as one of the most astonishing examples of ...

Fossils of 444 million-year-old creatures whose bodies were preserved "inside-out" have been discovered in South Africa.

A paleontologist discovered a new species of fossil from 444 million years ago she calls an "inside-out, legless, headless ...

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

While operating the deep-sea robot nearly 7,000 feet below the surface, the machine’s camera captured a creature that ...

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 ...

Other researchers had previously attempted to use gene expression assays to align the leg segments of the four major arthropod groups (arachnids, crustaceans, insects, and millipedes and centipedes) ...

They’re also one of the world’s largest arthropods, animals with no backbone, external skeletons, and multiple-jointed appendages. In this crab’s case, those appendages are its 10 legs.