espèce (1) plomb (1) anatomie (1) analyse (1) grotte (1) Afrique (1) Case (1) Anatomy (1) Specimens (1) Fossils (1) Specimens (1) Species (1) South Africa (1) Possibility (1) Phylogeny (1) Must (1) Human beings (1) Lead (1) Grammar, Comparative and general--Case (1) Evidence (1) Dates (Fruit) (1) Caves (1) Case (1) Australopithecines (1) Anatomy (1) Analysis (1) Phylogeny (1) grotte (1)