Scientists have placed 5 species of prehumans into the genus Australopithecus, which means "southern" this
From paleontological and 
archaeological ... One of the australopith species eventually became the Homo 
genus in Africa around .... scientists since the molecular clock in humans has 
determined that humans and ..... 259 (5): 8289. doi:10.1038/
scientificamerican1188-118.