prototaxites

For over a century the nature of prototaxites has been a source of mystery and debate among scientists. Growing over 20 feet tall and a yard wide, the organism grew straight up like a tree trunk, but had no leaves or branches. Prototaxites fossils from between 420 and 350 million years ago have been found throughout the world. Speculation as to whether prototaxites was a lichen, algae or fungus has divided researchers since the first fossil was found over 100 years ago. After advanced chemical analysis, the verdict is finally in: prototaxites was a huge friggin fungus. University of Chicago…