Extended Data Fig. 4: Stone tools from Units C and D at Bété I and III from ref. 21, and photos taken of the remaining artefact collection at the Institut des Sciences Anthropologiques de Développement (ISAD) in 2021.
From: Humans in Africa’s wet tropical forests 150 thousand years ago
Unit C: A, ‘end-scraper’; B, ‘point’; C, ‘end-scraper à museau’; D, ‘double-ended carinated end-scraper’; E, ‘small handaxe’; F, ‘fragment of a bifacial foliate piece’; G, ‘point Levallois’; H, ‘combination tool’; I, ‘end-scraper with spine’; J, ‘short foliate biface’; and K-N, ‘cores’. Unit D: O, ‘side and end chopper’; P, ‘biface - trihedral’; Q, bifacial LCT (our term); R, ‘pick with double-flat cross-section of the body and centred quadrihedral distal point’; S, ‘pick with double-flat cross section of the body and centred trihedral distal point’; T–U, bifacial pieces (our term). A-N and O,P,R,S are from ref. 21.
