The Cambrian Explosion is a landmark moment in the history of life on Earth when many of the major groups of animals first ...

Ancient trackways in seabed mud show animals moved purposefully 10 million years before the Cambrian Explosion.

Many major groups of animals that have become a mainstay in modern times first appeared during the Cambrian Explosion.

"Cambrian Explosion: New timeline for appearances of skeletal animals in fossil record." ScienceDaily. ScienceDaily, 10 November 2010. <www.sciencedaily.com / releases / 2010 / 11 / 101110091115.htm>.

Meanwhile, authors revised the Cambrian chronostratigraphy of China and proposed a new Xiaotanian Stage for the Cambrian Stage 2 of China. In addition, ...