3 min read The Cambrian period, part of the Paleozoic era ... marine habitats ideal for spawning new life-forms. Nevertheless, the scale of the Cambrian Explosion is likely exaggerated due ...

Although these new life-forms spread worldwide ... Arthropods were the most diverse animal group in the Cambrian period and the Ordovician period that followed. The 452-million-year-old limestone ...

Life was flourishing long before the Cambrian "explosion ... kit enabled an unprecedented period of evolutionary experimentation -- and competition. Many forms seen in the fossil record of ...

This daily feast-and-famine cycle in oxygen availability created an intense physiological challenge for early animals, forcing them to develop adaptations to handle fluctuations in nutrients. For ...

In a quiet part of what is now South Australia, more than half a billion years ago, life was locked in battle. The ocean ...

Focused on Cambrian fossils, the study reanimates a species long trapped in the pages of forgotten paleontology.

As its name implies, this includes all of geological time prior to the Cambrian period ... and various asteroids -- forms from interstellar gas and dust. Prelude to life (4,550-3,900 mya) Planet ...

A major fossil site bearing witness to the Cambrian explosion and providing evolutionary evidence for early life-forms, it was deemed one of the most surprising scientific discoveries of the 20th ...

My team's new research, published in Nature Communications, suggests that these drastic oxygen fluctuations played a crucial role in this dramatic period. For decades, scientists have debated what ...

Visitors at the Miraculous Life in the Ancient Oceans: Exhibition of Premium Fossils from the Cambrian Chengjiang Biota, held at the Natural History Museum of China in Beijing. WANG QIAN/CHINA ...