when was the upper paleolithic era
ËpÃ¦l i-) adj. (sometimes l.c.) of, designating, or characteristic of the early phase of the Stone Age: usu. divided into three periods (Lower Paleolithic, c2,000,000âc200,000 b.c., Middle Paleolithic, c150,000âc40,000 b.c., Upper Paleolithic, c40,000âc10,000 b.c.).