Australopithecus africanus

Known as the Tuang Child, the skull representing the type specimen for Australopithecus africanus was found in Taung, South Africa and named by Raymond Dart in 1925. It lived approximately 3-2.3Ma. 

Australopithecus boisei

Australopithecus boisei was discovered by Mary Leaky in the Olduvai Gorge, Tanzania. It lived approxiamately 2-1.3Ma and was even more robust than its contemporary, Australopithecus robustus. A. boisei had a large mandible and dentition, and a prominent midsagittal crest that offered attachment support for powerful masseter muscles. 

Australopithecus anamensis

Australopithecus anamensis, the oldest specie of australopithecine, lived approximately 4.2-3.9Ma.