Photograph by Joel Sartore, National Geographic Photo Ark The earliest multicelled animals that survived the Precambrian fall into three main categories. The simplest of these soft-bodied ...

Despite being the largest and most diverse group of animals on the planet ... molecular studies suggested they existed during the Precambrian period. In a recent study published in Current ...

So what exactly were these highly diverse Precambrian creatures? Plants, animals, or of another kingdom entirely? Nearly all scientists today agree that they were soft-bodied marine-dwelling animals.

A new study led by Woods Hole Oceanographic Institution (WHOI), published in The ISME Journal, sheds light on how a species ...

Foraminifera, though eukaryotic, have adapted to use chemoautotrophy to enable them to survive where oxygen and sunlight are ...

An exception was the mysterious "small shelly fauna" -- minute shelled animals that are hard to ... trails they made as they moved through the Precambrian mud. Life was flourishing long before ...

The Ediacaran seafloor shows a time before animals started burrowing through ... “It’s a remarkable find, as it places Ecdysozoans in the Precambrian Eon, supporting the theory that this ...

Speciation refers to the formation of new and distinct species in the course of evolution ... term radiation of life that began in the late Precambrian. This perspective challenges traditional ...

Its rock layers, dating from the Precambrian and Mesozoic eras, tell a story of tectonic and erosive processes that shaped the current landscape. Despite its extreme latitude, Wrangel was never fully ...

"I cannot imagine a more significant gift and accolade than having the Avalonian trilobite genus Skehanos named for me by a fellow geologist who has established that Skehanos may have evolutionary ...