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13 H. antecessor
[WHEN SPECIES LIVED] 800,000 years
[FIRST DISCOVERED] Gran Dolina, Spain
[COMMENT] May be the last common ancestor of both Neanderthals and modern humans; species designation debated
14 H. neanderthalensis
[WHEN SPECIES LIVED] 200,000 to <30,000 years
[FIRST DISCOVERED] Neander Valley, Germany
[COMMENT] Overlapped with H. sapiens. Earlier forms extending back to 600,000 years are sometimes called H. heidelbergensis
15 Homo sapiens
Earliest known fossils date to about 100,000 years ago. Other fossils from Africa that are between about 1 million and 100,000 years old probably include ancestors of modern humans