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…
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…