WEBMay 20, 2024 · The Paleolithic or Palaeolithic ( / ˌpeɪlioʊˈlɪθɪk, ˌpæli -/ PAY-lee-oh-LITH-ik, PAL-ee- ), also called the Old Stone Age (from Ancient Greek παλαιός (palaiós) 'old', and λίθος (líthos) 'stone'), is a period in human prehistory that is distinguished by the original development of stone tools, and which represents almost the entire period of huma...