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

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 ...