Extended Data Figure 8: Levallois cores from ATM.
From: Early Middle Palaeolithic culture in India around 385–172 ka reframes Out of Africa models
a, Preferential Levallois flake core from trench T7A (layer 5, phase I). b, Preferential Levallois flake core from trench T7A (layer 5, phase I). c, Recurrent unidirectional Levallois core from trench T7A (layer 5, phase I). d, Recurrent centripetal Levallois core from trench T7A (layer 3, phase II). Superimposed white lines indicate flake scars. Arrows indicate direction of flake removals; arrows with solid circle indicate the point of percussion.