Precambrian time covers the vast bulk of the Earth's history, starting with the planet's creation about 4.5 billion years ago and ending with the emergence of complex, multicelled life-forms ...

The Precambrian was the first super eon of Earth’s history. This division of time — about seven-eighths of Earth's history — lasted from the first formation of the planet (about 4.6 billion ...

Soft-bodied animals, large enough to be seen by the naked eye, evolve around 900 mya and are numerous by 650 mya. By roughly 550 mya, however, they are scarce.

In a recent study published in Current Biology, researchers introduced Uncus dzaugisi, a 555-million-year-old, worm-like organism found in the ancient rocks of Nilpena Ediacara National Park (NENP ...

Digging up the Precambrian: Fossil burrows show early origins of animal behavior. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2018 / 03 / 180312091407.htm ...

These Fossils Were Supposed To Be Impossible. Season 5 Episode 12 | 9m 26s Video has Closed Captions | CC. Hidden in rocks may have animal kingdom’s oldest known predator. 02/07/2023 ...

Phillips’ Life on Earth was one of the first geology books to respond to Darwin’s theory. At the time Darwin’s hypothesis that the Precambrian seas were full of life had almost no evidence ...

Pre-Cambrian Animals. Until recently the fossils of organisms that lived earlier than the Cambrian period of 500 to 600 million years ago were rare.

The history of a major animal group, ... oldest known ecdysozoan in the fossil record and the only one from the Precambrian period. ... 100 Million Years ago—Preserved in a Fossilized Time Capsule.