Koobi fora fossil argon dating controversy

21 Feb

Lucy walked upright, but her shoulders resembled the chimpanzee.

It becomes obvious that brachiating ambulation "teaches" the hand to form an opposed thumb.

SYNONYMS OR RELATED TERMS: australopithecine; abbreviation is A.

CATEGORY: culture DEFINITION: A name for an early genus believed to be related to man.

It was found in an iron and zinc mine in Broken Hill, Northern Rhodesia (now Kabwe, Zambia) in 1921 by a Swiss miner named Tom Zwiglaar.

At least one other species, Australopithecus robustus, has been included in the genus.

The Mauer Mandible has been dated to 500,000 years old.

Until about ten years ago, the rather unsatisfactory term “archaic Homo sapiens” was used to describe any mid-Pleistocene hominin that wasn’t Homo erectus, Homo sapiens, or a Neanderthal. neanderthalensis, but they are now generally regarded as a separate species. sapiens, with corresponding speciation events between the Middle and Late Pleistocene in Africa and Eurasia.

The species Australopithecus africanus, first known from southern and eastern Africa, was of small in size -- probably under four feet tall -- and had a brain in the same size range as the chimpanzee and gorilla, but with massive jaws and teeth.

The posture and teeth settings were, however, clearly human.