Grand Canyon fossils in the Bright Angel formation reveal 500M-year-old animals with dual feeding structures, reshaping ...

Geoscientists employed current-day stratigraphic, depositional and paleontological models, along with modern technological muscle to provide updated insights of the Cambrian period of the Grand Canyon ...

Animals of the Cambrian period went through one of the greatest evolutionary surges in history, known as the Cambrian Explosion. Animals of the Cambrian period likely began as worms or worm-like ...

Over 500 million years ago, during the Cambrian period, all major animal phyla appeared rapidly in what is known as the Cambrian explosion, which established a completely new Earth-life system. This ...