Neanderthal

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Neanderthal
Temporal range: Pleistocene
skeleton in the American Museum of Natural History, Manhattan
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Hominidae
Genus: Homo
Species: H. neanderthalensis
Binomial name
Homo neanderthalensis
King, 1864
Neanderthal range
This reconstruction is at the Neanderthal Museum

The Neanderthal,[1] a species of the genus Homo, was a near relative of our own species. Its scientific name is Homo neanderthalensis or Homo sapiens neanderthalensis.[2]

Neanderthal fossils are only found in Europe, Asia Minor and up to central Asia. The first fossil was found in the mid 1800s.

Recent research suggests Neanderthals became extinct about 40,000 years ago.[3] Earlier research had suggested a later date; the problem is the dating of the archaeological sites where their remains have been found.

Neanderthals perhaps evolved from Homo heidelbergensis and split off (last common ancestor) from modern humans between 700,000 and 300,000 years ago.[4]

Neanderthals used to be classified as a subspecies of modern humans (Homo sapiens neanderthalensis). Now, they are usually classified as a separate human species (Homo neanderthalensis).

Neanderthal remains have been found in most of Europe south of land covered by ice including the south coast of Great Britain. Finds have also been made outside of Europe in the Zagros Mountains and in the Levant.

Capacity for speech[change | edit source]

There is a long-running debate about whether Neanderthals had the ability of speech. In favour is the discovery of an undamaged hyoid bone which, in our species, is a support for the vocal box. Computer analysis has shown that the neanderthal hyoid structure was very similar to that of human hyoids.[5] Researchers say "our findings are consistent with a capacity for speech in the Neanderthals".[6]

History of discoveries[change | edit source]

In August 1856 the specimen that was to become known as Neanderthal 1 was discovered in the Neander Valley, Germany. The material was found in a limestone quarry near Düsseldorf. A skull cap was first discovered, followed by two femurs, five arm bones, part of the left pelvis, and fragments of a shoulder blade and ribs.

Actually, some remains had been found earlier, but not recognised as a separate species from us. The Engis child from Belgium was the first Neanderthal discovered, in 1829. The second discovered was the Forbes Quarry find from Gibralter in 1848.

Anatomy[change | edit source]

The Neanderthal skull differs from our skulls in a number of ways
Direct comparison

Neanderthal men were about 164–168 cm tall and averaged 77.6 kg in weight. Neanderthal women stood about 154 cm tall and averaged 66.4 kg in weight.[7]

Neanderthals had stronger (more robust) build and distinctive morphological features, especially of the skull. They were much stronger than modern humans;[8] especially in the upper body.

Neanderthal long bones and joints are thicker than ours, and some long bones have a slight curve. Both the thickness and the curve suggest the need for more strength than our species.

Young Neanderthals[change | edit source]

Since 2007, tooth age can be directly calculated using the noninvasive imaging of growth patterns in tooth enamel by means of x-ray synchrotron microtomography.[9]

This research suggests much more rapid physical development in Neanderthals than in modern human children.[10] The x-ray synchrotron microtomography study of early H. sapiens argues that this difference existed between the two species as far back as 160,000 years before present.[11]

Fractures[change | edit source]

Neanderthals seemed to suffer a high frequency of fractures. These fractures are often healed and show little or no sign of infection, suggesting that injured individuals were cared for during times of incapacitation.

Neanderthals showed a frequency of such injuries comparable to that of modern rodeo professionals, showing frequent contact with large, combative mammals. The fractures suggest they may have hunted by leaping onto their prey and stabbing or even wrestling it to the ground.[12]

Life style[change | edit source]

They lived in Eurasia during the ice ages of the Pleistocene, and hunted large mammals, such as bison, auroch (an ancestor of living cattle), deer, reindeer, musk ox and mammoth.

The skulls are slightly larger than Homo sapiens, and this implies intelligence and probably the use of language. The skeleton, on the other hand, suggests they tended to solve their problems (such as hunting) more by force than we do.

Neanderthal stone tools are called Mousterian, and are an advance on the Acheulean tools made by earlier species of Man. Homo sapiens stone tools are far more varied still, and suggest that our species relied more on tools than the Neanderthals.

Neanderthals were almost exclusively meat eaters although their diet did include cooked vegetables. They made good tools and lived in complex social groups. Research on their remains has shown that it is possible that they had a spoken language but the nature of any such language is unknown.

There are a number of theories that try to explain why the Neanderthals died out. It has been suggested that they may have been unable to adapt to the changing climate. Alternatively it has been suggested that they were unable to successfully compete with the ancestors of modern humans.

References[change | edit source]

  1. The word is pronounced without the 'h', and sometimes spelled 'Neandertal'. how to say: /niːˈændərθɑːl/, also with /neɪ-/, and /-tɑːl/
  2. Tattersall I, Schwartz JH (1999). "Hominids and hybrids: the place of Neanderthals in human evolution". Proc. Natl. Acad. Sci. U.S.A. 96 (13): 7117–9. PMID 10377375. Available on-line
  3. Amos, Jonathan 2013. Last-stand Neanderthals queried. BBC News Science/Environment. [1]
  4. Ker Than 2006. Scientists decode Neanderthal genes
  5. Hogenboom, Melissa 2013. Neanderthals could speak like modern humans, study suggests. BBC News Science & Environment. [2]
  6. D'Anastasio R. et al 2013. Micro-biomechanics of the Kebara 2 hyoid and its implications for speech in Neanderthals. PLoS [3]
  7. Froehle, Andrew W; Chruchill, Steven E (2009). "Energetic competition between Neandertals and anatomically modern humans". PaleoAnthropology pages=96-116. http://www.paleoanthro.org/journal/content/PA20090096.pdf. Retrieved 31.10.11.
  8. "Neanderthal". BBC. http://www.bbc.co.uk/nature/wildfacts/factfiles/459.shtml. Retrieved 18 May 2009.
  9. Tafforeau P, Smith TM (2008). "Nondestructive imaging of hominoid dental microstructure using phase contrast X-ray synchrotron microtomography". Journal of Human Evolution 54 (2): 272–8. doi:10.1016/j.jhevol.2007.09.018. PMID 18045654.
  10. Smith T.M. et al. (2007). "Rapid dental development in a Middle Paleolithic Belgian Neanderthal". Proceedings of the National Academy of Sciences 104 (51): 20220–5. doi:10.1073/pnas.0707051104. PMC 2154412. PMID 18077342.
  11. Smith T.M. et al. (2007). "Earliest evidence of modern human life history in North African early Homo sapiens". Proceedings of the National Academy of Sciences 104 (15): 6128–33. doi:10.1073/pnas.0700747104. PMC 1828706. PMID 17372199.
  12. T.D. Berger and E. Trinkaus (1995). "Patterns of trauma among Neadertals". Journal of Archaeological Science 22: 841–852. doi:10.1016/0305-4403(95)90013-6. http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WH8-4FRCV9P-F&_user=994540&_coverDate=11%2F30%2F1995&_fmt=full&_orig=search&_cdi=6844&view=c&_acct=C000050024&_version=1&_urlVersion=0&_userid=994540&md5=a958d2c59d5c6d934e9844f46f275e0e&ref=full. Retrieved 2007-06-28.

Further reading[change | edit source]

  • Stringer, Chris and Gamble, Clive 1993. In search of the Neanderthals: solving the puzzle of human origins. Thames & Hudson, London. ISBN 0-500-27807-5
  • Stringer, Chris and Andrews, Peter 2005. The complete world of human evolution. Thames & Hudson, London.
  • Dennis O'Neil 2004. Neandertals retrieved 12/26/2004

Other websites[change | edit source]