Initial Upper Paleolithic

The Paleolithic
↑ Pliocene (before Homo)
Lower Paleolithic (c. 3.3 Ma – 300 ka) Lomekwi (3.3 Ma) Oldowan (2.6–1.7 Ma) Acheulean (1.76–0.13 Ma) Madrasian (1.5 Ma) Soanian (500–130 ka) Clactonian (424–400 ka) Mugharan (400–220 ka)
Middle Paleolithic (c. 300–50 ka) Mousterian (160–40 ka) Aterian (145–20 ka) Micoquien (130–70 ka) Sangoan (130–10 ka)
Upper Paleolithic (c. 50–12 ka) Initial Upper Paleolithic Fertile Crescent: Emiran (50–40 ka) Ahmarian (46–42 ka) Baradostian (36–18 ka) Aurignacian (35–29 ka) Zarzian (20–10 ka) Kebaran (18–12.5 ka) Trialetian (16–8 ka) Natufian (14.5–11.5 ka) Khiamian (12.2–10.8 ka) Europe: Bohunician (48–40 ka) Châtelperronian (44.5–36 ka) Lincombian-Ranisian-Jerzmanowician (43–32 ka) Aurignacian (43–26 ka) Szeletian (41,000-37,000) Périgordian (35–20 ka) Gravettian (33–24 ka) Pavlovian (29–25 ka) Solutrean (22–17 ka) Epigravettian (20–10 ka) Magdalenian (17–12 ka) Hamburg (15.5–13.1 ka) Federmesser (14–12.8 ka) Azilian (14–10 ka) Ahrensburg (13–12 ka) Swiderian (11–8 ka) Africa: Khormusan (42–18 ka) Iberomaurusian (25–11 ka) Mushabian Halfan (22–14 ka) Qadan (15—11 ka) Sebilian (15–11 ka) Eburran (15–5 ka) Magosian (10–8 ka) Siberia: Mal'ta–Buret' (24–15 ka) Afontova Gora (21–12 ka)
↓ Mesolithic

The Initial Upper Paleolithic (also IUP, c. 50,000–40,000 BP) covers the first stage of the Upper Paleolithic, during which modern human populations expanded throughout Eurasia following the initial migration out of Africa.