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

“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 ...

NEW MEXICO (KRQE) – The University of New Mexico has a new tool in their toolbox to help with Arthropod conservation. NMrare.org is a new website designed to educate users about rare ...

The arthropod fossil used to describe a new species (left) and CT scans of the specimen (right) Luke Parry (photograph), Yu Liu, Ruixin Ran (3D models). Edited by Emily Lankiewicz Long ago ...

A new 450-million-year-old fossil arthropod, preserved in 3D by iron pyrite (fool’s gold), has been unveiled by scientists. The new species, Lomankus edgecombei, is distantly related to spiders ...

The striking fossil is a newly identified species of arthropod, a distant relative of modern-day horseshoe crabs, scorpions, and spiders, that slightly resembles a modern-day shrimp. The creature ...

A newly discovered 450-million-year-old fossil arthropod was found entirely preserved in pyrite–aka fool’s gold. The newly named species Lomankus edgecombei boasts a leg coming out of its head ...

But for scientists who discovered a new 450-million-year-old arthropod preserved in iron pyrite, the substance could be considered priceless. “We get an almost complete look at their anatomy,” says ...

Like other Megacheirans, Lomankus is an example of an arthropod with an adaptable head and specialized appendages (a scorpion’s claws and a spider’s fangs are other examples). In the case of Lomankus, ...

The arthropod Arthropleura is the largest known arthropod ever to inhabit the Earth. The giant arthropod ‘Arthropleura', which roamed the Earth over 300 million years ago, combined traits of ...

A 2007 illustration of Arthropleura, the largest known arthropod, which grew nearly as large as a car. New research suggests previous visualizations of the animal's head were incorrect.

Now, two well-preserved fossils of the creature unearthed in France have finally revealed what Arthropleura’s head looked like, providing insights into how the giant arthropod lived. Today ...