For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles ...

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

For over a century, scientists have been puzzled by a mysterious fossil called Helmetia expansa, an ancient arthropod from ...

"We are now sure she was a primitive marine arthropod, but her precise evolutionary relationships remain frustratingly elusive." Sarah Gabbott, the study's lead author and a professor in the School of ...

This new species of ancient arthropod has been affectionately named Sue and scientifically dubbed Keurbos susanae.

The fossil, found 250 miles (402 kilometers) north of Cape Town in South Africa, is a new species of multisegmented arthropod ...

For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles Doolittle Walcott in 1918, it was ...

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

Samuel Rubin, a junior at Pitzer College in Claremont, California, and colleagues announced the findings at the Experimental Biology 2014 conference in San Diego on Sunday (April 27) and in a paper in ...

Rensselaer Polytechnic University biologist Bradford Lister first collected data about arthropod biomass in Puerto Rico’s Luquillo rainforest in 1976. He and coauthor Andres Garcia, a biologist at the ...