The Cambrian explosion (also known as Cambrian radiation[1] or Cambrian diversification) is an interval of time beginning approximately 538.8 million years ago in the Cambrian period of the early …

Cambrian explosion, the unparalleled emergence of organisms between 541 million and approximately 530 million years ago at the beginning of the Cambrian Period. The event was characterized by the …

Around 530 million years ago, a wide variety of animals burst onto the evolutionary scene in an event known as the Cambrian explosion. In perhaps as few as 10 million years, marine animals evolved …

Jul 31, 2025 · But the “explosion”—that rapid burst of evolutionary innovation—occurred mostly within the first 20 to 25 million years of the Cambrian, making it extraordinarily fast by geological standards.

Jul 2, 2024 · New research provides the clearest evidence to date that a rapid burst of evolution 540 million years ago could have been caused by a small increase in oxygen in Earth’s atmosphere and …

Oct 1, 2025 · So how did the Cambrian explosion come to overshadow all other evolutionary explosions to become “ the Cambrian explosion”? And how have these developments shaped discussions of the …

May 17, 2025 · The Cambrian Explosion, occurring around 541 million years ago, signifies a rapid diversification of life on Earth, with most major animal phyla emerging in the fossil record over a brief …

Jul 26, 2025 · The Cambrian Explosion was a rapid diversification of life forms, marked by the appearance of most major animal phyla in the fossil record over approximately 20 to 25 million years.

Learn more about a time period marked by an intense burst of evolution. The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian...

Jun 26, 2025 · The so-called Cambrian explosion is commonly labeled as the time in Earth’s history when animal body plans suddenly appear. Most studies suggest that this event occurred between …