The amazing survival strategies of polar marine creatures might help to explain how the first animals on Earth could have evolved earlier than the oldest fossils suggest, according to new research. These first simple and now extinct animals might have lived through some of the most extreme, cold and icy periods the world has ever seen. The study appears in the journal Global Change Biology on October 12, 2022.
source https://www.lifetechnology.com/blogs/life-technology-science-news/learning-about-the-first-animals-on-earth-from-life-at-the-poles