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(a) Dudley Morton's (1935) reconstruction of a ‘hypothetical prehuman foot’, and (b) Clarke & Tobias's (1995) reconstruction of the Stw 573 specimen ‘Little Foot’. (a) Redrawn from Morton (1935); (b) reprinted with permission from RJ Clarke and PV Tobias, Science 269: 521–524 (1995). Copyright 1995 AAAS.
