Spores of sporormiella, a fungus dependent on large herbivores such as mammoths and mastodons, disappeared from Page-Ladson's sediment record around 12,600 years ago, coinciding with the disappearance of large Ice Age animals elsewhere in North America.
Sources
- Discovery Points to Earlier Arrival of First Americans (nationalgeographic.com)
- https://www.science.org/doi/10.1126/sciadv.1600375 (science.org)
- https://www.sciencedirect.com/science/article/abs/pii/S104061821730294X (sciencedirect.com)
- https://news.umich.edu/new-evidence-that-humans-settled-in-southeastern-us-far-earlier-than-previously-believed/ (news.umich.edu)
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