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Australopithecus is a 'genus' of hominins. From paleontological and archaeological evidence, the genus Australopithecus apparently evolved in eastern Africa around 4 million years ago before spreading throughout the continent and eventually becoming extinct two million years ago
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Homo habilis is a proposed archaic species of Homo, which lived between roughly 2.1 and 1.5 million years ago, during the Gelasian and early Calabrian stages of the Pleistocene geological epoch.
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Homo erectus is a species of archaic humans that lived throughout most of the Pleistocene geological epoch. Its earliest fossil evidence dates to 1.8 million years ago.
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Humans are the only extant members of the subtribe Hominina. Together with chimpanzees, gorillas, and orangutans, they are part of the family Hominidae.
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One million years after its dispersal, H. erectus was diverging into new species. H. erectus is a chronospecies and was never extinct, so that its "late survival" is a matter of taxonomic convention
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may have been the first human species to leave Africa and fossil remains show this species had expanded its range into southern Eurasia by 1.75 million years ago. Their descendents, Homo erectus, then spread eastward and were established in South East Asia by at least 1.6 million years ago.
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Australopithecus afarensis is one of the longest-lived and best-known early human species—paleoanthropologists have uncovered remains from more than 300 individuals! Found between 3.85 and 2.95 million years ago in Eastern Africa (Ethiopia, Kenya, Tanzania), this species survived for more than 900,000 years, which is over four times as long as our own species has been around.
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The bones are about 3.4 million years old and provide the first evidence that Australopithecus afarensis used stone tools and consumed meat. These two bones from Dikika, which have been dated to roughly 3.4 million years ago, provide the oldest known evidence of stone tool use among human ancestors.Aug 11, 2010
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Prehistoric Homo sapiens not only made and used stone tools, they also specialized them and made a variety of smaller, more complex, refined and specialized tools including composite stone tools, fishhooks and harpoons, bows and arrows, spear throwers and sewing needles
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Homo habilis inhabited parts of sub-Saharan Africa from roughly 2.4 to 1.5 million years ago (mya). In 1959 and 1960 the first fossils were discovered at Olduvai Gorge in northern Tanzania.
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They were the first of our ancestors to make stone tools, and to use them to make other special tools. The tools were used for cutting and chopping meat, and for breaking bones. Eating more meat than earlier humans may have helped the brain of Homo habilis grow.
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They developed a capacity for language about 50,000 years ago. The first modern humans began moving outside of Africa starting about 70,000-100,000 years ago.