Prototaxites, an extinct organism from the Devonian period, has been thought to be a fungus since its first fossil was unearthed. Analysis of one Prototaxites species showed that its physical and ...

The Paleozoic era's Silurian period saw animals and plants finally emerge on land. But first there was a period of biological regrouping following the disastrous climax to the Ordovician.

In fact, trees didn’t even exist during the Silurian period, making that conclusion ... cannot be placed in any known group of life—fungi, plant, animal, or algae. They believe it came from ...

430 million years ago, towering life-forms known as Prototaxites emerged ... But trees didn’t yet exist during the Silurian period, so what exactly was this thing taking over the ancient ...