For over half a billion years, evolution has sculpted the nervous systems of bilaterian animals, equipping them with remarkable capabilities to process information, coordinate movements, and respond ...

Some of the best information about early animals comes from fossils dating back to the Cambrian period, which started around 541 million years ago. During this time, Earth experienced a burst of ...

Learn more about a time period marked by ... of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today.

These fossils include representatives of ... particularly in segmented animals. During the Precambrian-Cambrian transition, changes in the nervous and muscular systems were likely tied to the ...

Then, at the beginning of the Cambrian Period, life opened its eyes ... Three generations of palaeontologists have now studied Chengjiang's fossils, uncovering the physiology of Cambrian animals in ...

Scientists have unraveled the evolutionary history of the ventral nerve cord in ecdysozoan animals ... analysed the fossils from key Cambrian deposits. The fossils included Scalidophora, a ...

However, a close look at Cambrian-age (541 million years to 485 million years ago) fossils of Scalidophora, a subgroup of Ecdysozoa found in marine environments, has revealed the source of these ...

The Penn Dixie carpoids are a ‘Lazarus taxon:’ an animal that disappears from the fossil record, then reappears much later. Carpoids first appeared during the Middle Cambrian Period some 500 ...

A fossil analysis suggests that the yunnanozoan ... Vertebrates are thought to have emerged during the Cambrian explosion around 520 million years ago, but the point in time at which these animals ...

Their findings, published in Science Advances, provide valuable insights into the origins of these structures in the basal Cambrian ... fossil record in addressing key questions about early animal ...

Their findings, published in Science Advances, provide valuable insights into the origins of these structures in the basal Cambrian period ... the role of the fossil record in addressing key questions ...