Ancient Sea Creature Pushes Back Origins of Spider Fangs to 518 Million Years Ago
Urokodia aequalis, an early Cambrian marine predator from the Chengjiang biota of China, preserves the earliest known evidence…
A Giant Scorpion the Size of a Coffee Table Is Forcing Scientists To Rethink Evolution
Life reconstruction of Praearcturus gigas. Credit: Franz Anthony Praearcturus gigas was a meter-long Devonian scorpion whose size may…
World’s largest scorpion identified, roamed Earth 415 million years ago
The University of Manchester has discovered that the world’s largest scorpion, which lived 415 million years ago, was…
Streetlights Are Trapping Thousands of Isopods in Mysterious “Death Spirals”
Habitus of isopods collected during aggregative behavior in Eliad. Credit: Idan Sheizaf, Ariel Chipman, and Eviatar Itzkovich Artificial…
490-Million-Year-Old Arthropod Fossil Fills Puzzling Gap in Fossil Record
A new species of corcoraniid arthropod that lived during the Furongian epoch, between 497 and 487 million years…
Early Triassic Cyclidan Crustacean Had Powerful Jaws
Paleontologists have described a new species of enigmatic cyclidan crustacean on the basis of three well-preserved specimens from…