Australopithecus africanus
Noun
Meaning
gracile hominid of southern Africa; from about 3 million years ago
Source: WordNetHypernyms
Examples
In 1938 Paranthropus robustus bones were found at Kromdraai, and during 1947 several more examples of Australopithecus africanus were uncovered in Sterkfontein.
It’s more like Humanity 6.0, if you assume Australopithecus africanus was once the definition of “human.”