Learn more about a time period marked by an intense burst ... chordate is Pikaia gracilens, a wormlike creature that swam in middle Cambrian seas. Fossils found in the Burgess Shale of British ...

dramatically. It was the time of the Cambrian Explosion, an eruption of life when Earth’s very first animals began appearing in the fossil record — the ancestors of all major animal groups ...

The astonishing proliferation of new animal species in the Cambrian period was driven in part by a radical new way of fueling life’s engines: eating other animals. As predators evolved claws to ...

Scientists Stunned to Unearth 500-Million-Yr-Old 3D Cambrian Trilobites Fossils in Best Preserved Condition in Volcanic Ash ...

As alien as these creatures seem ... Recent research suggests that the period prior to the Cambrian explosion saw the gradual evolution of a "genetic tool kit" of genes that govern developmental ...

Some animals could likely tell the difference between light and dark, but they never knew whether that looming shadow was a friend or foe. Then, at the beginning of the Cambrian Period, life opened ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

This is an especially exciting find due to the age of the rocks – these fossils are found in rock layers which actually pre-date the oldest fossils of complex animals Dr Russell Garwood, School of ...

Among the many fossilized stars is a 26-meter-long Mamenchisaurus jingyanensis, a gigantic herbivore that lived around 150 million years ago and had one of the longest necks of its species. It is ...

Dr. María Herranz noted, "The emergence of paired nerve cords likely facilitated greater coordination of movement, particularly in segmented animals. During the Precambrian-Cambrian transition ...

during the Cambrian period, known as the ‘Cambrian explosion’. He explains a speculative theory that the evolution of creatures with eyes, such as trilobites, triggered the evolution of more ...