Previously believed to be plant or fungi, these giant organisms may have been a now-extinct fourth type of life.

Scientists then leaned towards it being a giant fungus, but the classification remained uncertain. A 2007 study even ...

Researchers reveal Prototaxites, a giant Devonian fossil, was not a fungus or plant but a unique extinct lineage.

Prototaxites, an extinct organism from the Devonian period, has been thought to be a fungus since its first fossil was ...

Scientists have debated where Prototaxites belong in the tree of life for over a century, but now a new study suggests it ...

An ancient and enormous organism called Prototaxites, initially found to be a type of fungus, may actually be an unknown ...

Scientists discovered a 400-million-year-old fossil known as Prototaxites, which does not belong to any known life form ...

Chemical analysis suggests the 400-million-year-old fossil Prototaxites was neither plant, animal or fungus – hinting at a ...

A trace fossil of 66 dinosaur footprints has been uncovered in Australia, providing a rare snapshot of dinosaur behavior and ...

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...