Before revision: Lithic stage (before 8000 BCE) Obsidian projectile point from Puerta Parada, Guatemala The Lithic stage or Paleo-Indian period, is the earliest classification term referring to the first stage of human habitation in the Americas, covering the Late Pleistocene epoch.
After revision: Lithic stage (before 8000 BCE) The Lithic stage or Paleo-Indian period, is the earliest classification term referring to the first stage of human habitation in the Americas, covering the Late Pleistocene epoch.