The Cambrian period, often celebrated for the “Cambrian explosion”, marked a pivotal phase in the history of life when early arthropods emerged and rapidly diversified. These organisms not only ...

Despite differences in shape and size all insects are characterized by a body organization that includes three units: a head, thorax and abdomen (panels A-B). In contrast all spiders (and other ...

One of several Jianfengia fossil specimens: The animal's body plan is extremely simple, consisting of numerous identical segments. However, its head is like that of a more modern crustacean, with eyes ...

The newly discovered Youti yuanshi larva fossil is so well-preserved that it provides a road map for arthropod evolution during the Cambrian period. When you purchase through links on our site, we may ...

Five hundred million years ago, a larva this small swam in the oceans of the Cambrian Period, its tiny form supporting a brain, digestive organs, and nerve cells that would resound through the lineage ...

Scientists have uncovered a remarkable fossil from Canada's Burgess Shale, a discovery that reshapes how the evolution of arthropods is understood. This new find, named Mosura fentoni, lived roughly ...

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. Despite ...