or
Model A. Boisei Femaleknm Er 732Cranium^ Model Australopithecus Boisei Femaleknm Er 732 Cranium, 1.7 MYA. Female, was discovered in 1970 at Koobi Fora, Kenya by R. Leakey and H. Mutua and described in Nature in 1971, Size: 16.6L x 14.1W x 10.2H (cm)