He and his team named the specimen Megasiphon thylako and estimated that it was around 500 million years old, putting it near the end of the Cambrian explosion, when evolution hit record levels.

More than 200 species of sea scorpions have been recorded, ... Cambrian Explosion; rapid diversification of life, including the first hard-bodied organisms. Ordovician Period (485 ...

Twenty million years after the Cambrian explosion, something lethal wiped out almost half of all sea life in the world. For years, it was believed that the mass death event was caused by low ...

“The Cambrian explosion was a period of time 450 million years ago where arthropods evolved and there was this really cool radiation of life ... a sea scorpion that evolved into modern ...

The Cambrian Explosion: For most of the nearly 4 billion years that life has existed on Earth, evolution produced little beyond bacteria, plankton, and multi-celled algae.But beginning about 600 ...

The Grand Canyon may rewrite the textbooks on the Cambrian Explosion—a key turning point in Earth's history when there was a sudden boom in complex life and the emergence of all the major animal ...

The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including many major ...

The Cambrian oceans were crowded with trilobites, armored arthropods that scuttled along the sea floor. These creatures, with their hard exoskeletons, seemed well-protected—until Anomalocaris ...

During the Cambrian Explosion more than 500 million years ... This was a dynamic era when holdovers from the Cambrian rubbed shoulders with evolutionary newcomers like sea scorpions and horseshoe ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. With appendages growing out of ...

Paleontologists have discovered a three-eyed creature with a pencil sharpener-like mouth that roamed the sea for prey more than 500 million years ago. The fossilized remains of one Mosura fentoni ...