Hundreds of millions of years ago, mysterious life forms called Prototaxites towered toward the sky.
Their position in the greater tree of life has been hotly debated for over a century and a half.
Their work is detailed in astudyposted to the preprint server bioRxiv, and hasnt been peer-reviewed yet.
A painting of what Prototaxites may have looked like.© Painting by Mary Parrish, National Museum of Natural History.
We conducted an extensive re-examination ofP.
We conclude that the morphology and molecular fingerprint ofP.
Bacteria and Archaea are single-celled microorganisms without a nucleus, while all multicellular organisms are classified as Eukaryotes.
In other words, long forgotten kingdoms might not just be the stuff of fantasy novels.
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Now, scientists say it belonged to a Denisovan man.
