The 9,000-Year-Old Child’s Tooth Found In An Alaska Cave — And The DNA Test That Revealed A Lost Population Of The First Americans
But it contributes meaningfully to the picture that is emerging from the convergence of archaeological, genetic, and paleoenvironmental evidence from across the Americas and the Beringian region.
The most important contribution is the temporal extension of the Ancient Beringian presence in Alaska.
The founding population of the Americas was not a single undifferentiated wave of people who all came from the same place and dispersed in the same direction at the same time.
It was a population with internal diversity — diversity that was present in Beringia before the dispersal into the Americas, and that was distributed across the continent as different founding lineages settled different regions.
The Ancient Beringian branch was one dimension of that diversity.