How and why the Cambrian explosion occurred has been the subject of debate ever since fossils of this remarkable event were ...

The Cambrian period, often celebrated for the “Cambrian explosion”, marked a pivotal phase in the history of life when early arthropods emerged and rapidly diversified. These organisms not only ...

Palaeontologists are helping resolve the evolution and ecology of Odaraia, a taco-shaped marine animal that lived during the Cambrian period. Fossils reveal Odaraia had mandibles. Palaeontologists are ...

The Jiangchuan Biota indicates that we may have misjudged the Cambrian “explosion” of complex life.

Scientists have uncovered the earliest fossil evidence of annelids (ringed worms) in Cambrian microfossils dating back ...

The Cambrian explosion was an extraordinary phenomenon in the evolution of life on the planet that led to the emergence of many animal phyla and the diversification of species. During this period, ...

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world's most iconic sites. The rich fossil ...

The assemblage suggests that the ancestors of some of today's animal groups may have arisen before the famed Cambrian ...

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An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, a key component of the central nervous system, evolved in ecdysozoan ...