For years, a mysterious fossil specimen defied categorization, until one paleontologist made a surprising discovery.

Focused on Cambrian fossils, the study reanimates a species long trapped in the pages of forgotten paleontology.

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

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

"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 ...

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

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

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 ...

More information: Anne E. Johnson et al, Predation of spotted lanternfly (Lycorma delicatula) by generalist arthropod predators in North America, Arthropod-Plant Interactions (2025). DOI: 10.1007 ...

Researchers formally describe Helmetia expansa, offering new insights into its anatomy, behavior and evolutionary relationships.