Fossils from some of the oldest-known animals on Earth, dating from 574 million years ago (Ediacaran period), suggest that cloning, not competition, dominated...
Tiny colonial animals called bryozoans were long thought to have appeared tens of millions of years after the Cambrian explosion. Extraordinary fossils...
A new species of corcoraniid arthropod that lived during the Furongian epoch, between 497 and 487 million years ago, has been identified from an exceptionally...
New trace fossil discoveries from the half-billion-year-old Cambrian tidal flats of Wisconsin at a site called Blackberry Hill continue to paint the picture...
Paleontologists at Harvard University have described a large predatory arthropod from the Middle Cambrian of Utah featuring massive three-segmented chelicerae....
Two species of myllokunmingiid fishes that lived in what is now China around 518 million years ago (Cambrian period) possessed two large lateral eyes...
The detection of chitin in an Olenellus trilobite from the Carrara Formation (514.5 to 506.5 million years ago) of California, the United States, not only...
Arthropod appendages are specialized for diverse roles including feeding, walking, and mating. Fossils from the Cambrian period (539 to 487 million years...
Nectocaridids are enigmatic Paleozoic animals with a controversial position. These creatures were adapted for swimming, having fins, a head region with...
First published in 1865 as a caterpillar, nearly fifty years before the discovery of Canada’s Burgess Shale, Palaeocampa anthrax shuffled between classifications...
Paleontologists have analyzed the fossilized features of the brain and central nervous system of Mollisonia symmetrica, an extinct animal that lived in...
Paleontologists have analyzed the body profiles of Ediacaran-Cambrian organisms by using trace fossils as proxies for body fossils.
A reconstruction of...
Mosura fentoni lived in what is now Canada during the Cambrian period, approximately 506 million years ago.
Life reconstruction of Mosura fentoni. Image...
The rapid increase in diversity and abundance of biomineralizing organisms during the Early Cambrian epoch (around 535 million years ago) is often attributed...
Based on multiple analytical techniques applied to well-preserved soft-bodied specimens of two trilobite species, the Late Ordovician species Triarthrus...
Named Youti yuanshi, the newly-identified euarthropod species fills an important gap in our understanding of how the arthropod body plan originated and...
