Premise: The Chatot (also Chacato or Chactoo) were a Native American tribe who lived in the upper Apalachicola River and Chipola River basins in what is now Florida. They spoke a Muskogean language, which may have been the same as that of the Pensacola people.
Hypothesis: A tribe known as the Chatot lived in the upper Apalachicola River basin and a tribe known as the Chactoo lived in the Chipola River basin.