A Denisovan retrospective

The saga for this species began in 2008, when Russian archaeologists unearthed a mysterious pinky bone in Siberia’s Denisova Cave. In 2011, Johannes Krause at the Max Planck Institute sequenced its DNA — and discovered a new human species.

Note – there is a great lingering controversy surrounding that pinky bone discovery.  See our YouTube video on the matter here.

Since then, the trail of this ancient hominin has twisted through caves, continents, and controversies:

  • A Buddhist monk in Tibet found a Denisovan jawbone under a rock — it sat untouched for 30 years.
  • A fishing trawler off Taiwan dredged up another jawbone.
  • In the Philippines, isolated tribes carry up to 7.8% Denisovan DNA.
  • Chinese anthropologists now claim the massive Dragon Man skull belongs to a Denisovan-Neanderthal hybrid lineage.

And then came Denny — a teenage girl with 40% Neanderthal DNA from her mother and 40% Denisovan DNA from her father. A true hybrid. Her bone fragment, analyzed by Svante Pääbo and Viviane Slon, shattered the boundaries of species classification.

🧠 Why It Matters

This hominin species may be the ghost lineage behind East Asian ancestry, Amerindian migration, and even the Tibetan high-altitude gene. Their fossils are rare, their genetics are everywhere, and their story is still unfolding.

Denisovan

A quick review: Who are the Denisovans, from MSN Science & Technology:

Today, all modern humans are Homo sapiens, but as a species we have taken millennia to evolve. The very earliest human ancestors (a.k.a. hominins) emerged around 7 million years ago, while species in our genus, Homo, began appearing about 2.3 million years ago. Within the last 150 years or so, scientists have discovered evidence for at least eight different hominins in Homo, from Homo erectus, the first to migrate out of Africa, to the tiny Homo floresiensis, who stood only 3 feet, 6 inches tall.

🧪 Latest Discoveries

  • Dragon Man (Homo longi): A million-year-old skull from China may represent a Denisovan sister lineage to Homo sapiens.
  • Yunxian Fossil: Suggests deep roots for both Dragon Man and modern humans — possibly the last common ancestor.

Tibetan Monk finds a Denisovan jawbone under a rock in a cave

jawboneIn the 1980s a Buddhist monk in a cave, turned over a rock and found a precious Denisovan jawbone. It sat on a shelf for over 30 years. In 2008 a fishing trawler off the coast of Taiwan dredged up another jawbone. In the Philippines an isolated tribe of original inhabitants of the islands, have up to 7.8% Denisovan DNA.

And the very latest… Chinese anthropologists are now saying the gigantic Dragon Man of Manchuria is actually a hybrid of Altai-Denisovans. Ancestors of Amerindians? New Denisovans discoveries are occurring at a rapid pace.

The Chinese anthropologists are specifically stating that the Homo longi skull (Dragon Man), which is dated to 300,000 years ago, likely comes from an early Denisovan, soon after the split with Neanderthals and Homo sapiens.

From MSN.com,

A Million-Year-Old Skull Could Prove the Dragon Man’s Direct Line to Humans

Dragon Man

Dragon Man

Using new technology, the team restored and reconstructed the cranium, and the results suggested that whoever this skull used to belong to was “an early member of the Asian ‘Dragon Man’ lineage, which probably includes the Denisovans, and is the sister group of the H. sapiens lineage.”

The team said that both the H. sapiens and Dragon Man lineages having deep roots extending beyond the Middle Pleistocene age, and the Yunxian fossil cranium “suggests it represents a population lying close to the last common ancestor of the two lineages.”

They are further quoted:

“It is very controversial whether these fossil humans represent different species or lineages,” the authors wrote in the study. “The 1-million-year-old Yunxian 2 fossil from China is crucial for understanding the cladogenesis of Homo and the origin of Homo sapiens.”

Denny, the Denisovan-Neanderthal hybrid

Perhaps the most amazing story involving this species is the Denisovan-Neanderthal hybrid discovered in 2022, named “Denny.” Discovered in 2022, Denny’s genome revealed a hybrid — proof that interbreeding wasn’t rare, but essential to our evolutionary story.

Ladbible.com, May 22, 2024 explains:

Denny the hybrid from parents of different races

Denny the Hybrid

After examining the thousands of bones, one of the samples appeared to belong to a human species, but it needed further inspection.

It was sent to Svante Pääbo at the Max Planck Institute for Evolutionary Anthropology in Leipzig for more detailed analysis.

They discovered that the bone belonged to a girl who was 13 years or older at death.

What was interesting though is that the sample contained Neanderthal DNA, and the other half Denisovan DNA.

This video, first in a series, serves as an introduction to the human species.

Paleo-artist John Bavaro is quoted:

 “By taking a genome analysis from the specimen’s mitochondrial DNA on a single bone fragment recovered from the Denisova Cave in the Altai Mountains of Russia, palaeo-geneticists Viviane Slon and Svante Pääbo of the Max Planck Institute for Evolutionary found that she had 40 percent Denisovan genes from her dad and 40 percent Neanderthal genes from her mom.”

🧨 Final CTA

This is just the beginning. The Denisovan archive is growing — and it’s rewriting everything we thought we knew about human origins.

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