Don Johanson Don Johanson
Don Johanson Don Johanson
Don Johanson Don Johanson
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<strong>Johanson</strong>’s reinterpretation ofAustralopithecines• Robusts are younger• Small molars ancestral (retained in Homo)• Large molars a derived Australopithecus trait Relativity of “ancestral” & “derived”• Graciles evolved into robusts