What’s 66-million-year-old vomit like? A lot more pleasant than the fresh stuff, says paleontologist Jesper Milan.

as well as into the dynamics of evolution in the deep ocean. We are trying to find the very oldest hydrothermal vent animals by studying ancient rocks dating back to the Cambrian period, over 500 ...

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.

This period saw the emergence of many major groups of animals ... of oxygenation in the ocean, which is essential for understanding the evolution of life during the Cambrian[3].

All animal evolution ... the opportunity for the Cambrian explosion to occur. Internal, genetic factors were also crucial. Recent research suggests that the period prior to the Cambrian explosion ...

Some of the best information about early animals comes from fossils dating back to the Cambrian period, which started ... animals like jellyfish and sea anemones — worms, and possibly sponges.

Many sea-bottom areas at that time were coated ... The race is onPhylum Arthropoda: The astonishing proliferation of new animal species in the Cambrian period was driven in part by a radical ...

Their findings provide valuable insights into the origins of these structures in the basal Cambrian period. An international ... evolved in ecdysozoan animals, a group that includes insects ...