3 min read The Cambrian period, part of the Paleozoic era ... Among them were the chordates, to which vertebrates (animals with backbones) such as humans belong. What sparked this biological ...

For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles ...

For over a century, scientists have been puzzled by a mysterious fossil called Helmetia expansa, an ancient arthropod from ...

This discovery provides more insight into how animals evolved from single ... of that latter phenomenon is the Cambrian Explosion—the geologic period some 530 million years ago when Earth ...

An exception was the mysterious "small shelly fauna" -- minute shelled animals that are hard ... Recent research suggests that the period prior to the Cambrian explosion saw the gradual evolution ...

The astonishing proliferation of new animal species in the Cambrian period was driven in part by a radical new way of fueling life’s engines: eating other animals. As predators evolved claws to ...

Read more: These 12 Prehistoric Sea Animals Are Pure Nightmare Fuel The ... long before the Cambrian period. Evans noted, "Determining the gene expressions needed to build these forms provides ...

Environmental stress in evolution can be reframed as a powerful engine of innovation, not simply a barrier to survival.

The new study found the characteristics in Helmetia expansa differed from previous studies. It is said that these species had ...

visitors can follow fossil evidence tracing the evolution of life during the Cambrian period — the first geological period of the Paleozoic era — which lasted from 541 million to 485 million ...

In a new study published in the Journal of Systematic Palaeontology, Harvard researchers in the Department of Organismic and ...

An exception was the mysterious "small shelly fauna" -- minute shelled animals that are hard ... Recent research suggests that the period prior to the Cambrian explosion saw the gradual evolution ...