The Cambrian seas teemed with new types of animal, such as the predator Anomalocaris (centre). Credit: John Sibbick/Natural History Museum A series of dark, craggy pinnacles rises 80 metres above ...

Compared to other creatures of the Cambrian seas, Synophalos xynos seems rather plain. It was not a living pincushion like Wiwaxia, its body did not resemble a walking cactus like Diania, and it ...

Long before the first dinosaur hatched, Earth's ancient life was already thriving. There were bizarre sea creatures and lumbering plant-eaters that ruled prehistoric landscapes for hundreds of ...

The Cambrian period, about 541 to 485 million years ago, was a time of incredible evolutionary change. In just a few million years, life on Earth diversified at an unprecedented rate.

The iconic arthropods of the Cambrian were the trilobites, which left a huge number of fossils.Trilobites had flattened, segmented, plated bodies that helped to protect them in seas that were ...

Opabinia thrived in this era of experimentation, standing out even among its peculiar peers. The Cambrian seas were a chaotic laboratory, and Opabinia was one of its most memorable inventions.

A newly described creature from the Cambrian period is putting a bizarre twist on what we thought we knew about early animal evolution. Meet Mosura fentoni—a three-eyed, clawed, and flappy ...

A new filter-feeding giant that trolled the Cambrian seas has been unearthed in Greenland. The species, dubbed Tamisiocaris borealis, used large, bristly appendages on its body to rake in tiny ...

The worms reached nearly 1 foot (30 centimeters) in length and were some of the largest swimming animals at the time, known as the early Cambrian Period. The researchers named the worms ...

Instead, he thinks Burgessomedusa joins a swarm of jellyfish species that patrolled Cambrian seas. “It really adds to the compelling body of evidence indicating that medusozoans, ...

Compared to other creatures of the Cambrian seas, Synophalos xynos seems rather plain. It was not a living pincushion like Wiwaxia, its body did not resemble a walking cactus like Diania, and it ...