Source of early hominids dates is "The First Men" by Julian May (Dikty) The Young Readers Press, Inc. 1968

Australopithecus africanus: more than 2 million to 1.75 million years ago
Australopithecus africanus habilis = Homo habilis: 1.75 million to about 1 million years ago
Paranthropus/Australopithecus robustus = Zinjanthropus boisei: 2 million to 900,000 years ago
Homo erectus = Pithecanthropus erectus: 1 million to about 200,000 years ago
Homo sapiens = Homo sapiens neanderthalis = Homo sapiens soloensis: about 300,000 years ago to present