Mysterious Toaleans – Remains Of Unknown Humans Who Lived 8,000 Years Ago Discovered In The Leang Panninge Cave

Jan Bartek – AncientPages.com – Scientists have discovered the skeleton of a teenage hunter-gatherer who died more than 7,000 years ago. It is a highly significant archaeological discovery because this human lineage has never been found anywhere else in the world. The deceased person belongs to an unknown group of humans who lived about 8,000 years ago.

The ancient bones were unearthed inside the Leang Panninge cave on the Indonesian island of Sulawesi. The well-preserved skeleton belongs to a female between the ages of 17 and 18 who died in the cave about 7,200 years ago.

Mysterious Toaleans – Remains Of Unknown Humans Who Lived 8,000 Years Ago Discovered In The Leang Panninge Cave

The skeletal remains of an ancient teenage Toalean woman were nestled among large rocks, which were placed in the burial pit discovered in a cave on Sulawesi.

According to scientists, she was part of the Toalean culture who once lived on the Sulawesi’s southwestern peninsula. Discovered tools and cave paintings indicate humans lived here as far back as 47,000 years ago, but finding fossils of that age is difficult because ancient DNA degrades more rapidly in the tropical climate.

“We have discovered the first ancient human DNA in the island region between Asia and Australia, known as ‘Wallacea’, providing new insight into the genetic diversity and population history of early modern humans in this little understood part of the world,” said study co-author Adam Brumm, a professor of archaeology at Griffith University’s Australian Research Centre for Human Evolution, via email to the CNN.

The first modern humans used the Wallacea islands, mainly Indonesian islands that include Sulawesi, Lombok and Flores, as they crossed from Eurasia to the Australian continent more than 50,000 years ago, researchers believe. The exact route or how they navigated this crossing, however, is unknown.

“They must have done so using relatively sophisticated watercraft of some kind, as there were no land bridges between the islands, even during the glacial peaks of the last ice age, when global sea levels were up to 140 meters (459 feet) lower than they are today,” Brumm said.

Mysterious Toaleans – Remains Of Unknown Humans Who Lived 8,000 Years Ago Discovered In The Leang Panninge Cave

Maros points belonging to the Toalean culture. 

“The ‘Toaleans’ is the name archaeologists have given to a rather enigmatic culture of prehistoric hunter-gatherers that lived in the forested plains and mountains of South Sulawesi between around 8,000 years ago until roughly the fifth century AD,” said Brumm via email.

“They made highly distinctive stone tools (including tiny, finely crafted arrowheads known as ‘Maros points’) that are not found anywhere else on the island or in wider Indonesia.”

DNA samples of the skeleton showed the young woman “descended from the first wave of modern humans to enter Wallacea 50,000 years ago. This was part of the initial colonization of “Greater Australia,” or the combined ice age landmᴀss of Australia and New Guinea. These are the ancestors of present-day Indigenous Australians and Papuans, Brumm said.

This is a remarkable finds because it is “the oldest genome traced to the Wallacea islands revealed something else: previously unknown ancient humans.

She also shares ancestry with a separate and distinct group from Asia who likely arrived after the colonization of Greater Australia — because modern Indigenous Australians and Papuans don’t share ancestry with this group, Brumm said.

“Previously, it was thought that the first time people with Asian genes entered Wallacea was around 3,500 years ago when Austronesian-speaking farmers from Neolithic Taiwan swept down through the Philippines and into Indonesia,” he said.

“It suggests that there might have been a distinct group of modern humans in this region that we really had no idea about up until now, as archaeological sites are so scarce in Wallacea and ancient skeletal remains are rare.”

As reported by the CNN, “No descendents of this lineage remain.

Her genome included another trace of an enigmatic and extinct group of humans: Denisovans. The handful of fossils signifying that these early humans ever existed are largely from Siberia and Tibet.

Mysterious Toaleans – Remains Of Unknown Humans Who Lived 8,000 Years Ago Discovered In The Leang Panninge Cave

Fragmentary remains of the girl’s skull were used to retrieve her DNA.

“The fact that their genes are found in the hunter-gatherers of Leang Panninge supports our earlier hypothesis that the Denisovans occupied a far larger geographical area” than previously understood, said study coauthor Johannes Krause, a professor of archaeogenetics at the Max Planck Insтιтute for Evolutionary Anthropology in Leipzig, Germany, in a statement.

But when her DNA was compared with that of other hunter-gatherers who lived west of Wallacea at the same time, their DNA didn’t contain any traces of Denisovan DNA.

See also: More Archaeology News

“The geographic distribution of Denisovans and modern humans may have overlapped in the Wallacea region. It may well be the key place where Denisova people and the ancestors of indigenous Australians and Papuans interbred,” said study coauthor Cosimo Posth, a professor at the University of Tübingen’s Senckenberg Centre for Human Evolution and Palaeoenvironment in Frankfurt, Germany, in a statement.

Researchers don’t know what happened to the Toalean culture, and this latest discovery is one piece of the puzzle as they try to understand the ancient genetic history of humans in southeast Asia. Brumm hopes that more ancient DNA from the Toalean people can be recovered to reveal its diversity “and its wider ancestral story.”

The study was published in Nature.

Written by Jan Bartek – AncientPages.com Staff Writer

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