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Homo rudolfensis
Fossil range: Pliocene
The KNM ER 1470 skull.
Scientific classification
Domain: Eukarya
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Hominidae
Genus: Homo
Species: H. rudolfensis
Binomial name
Homo rudolfensis
Alekseyev, 1986
UR 501 (original specimen), the eldest fossil of Genus Homo

Homo rudolfensis is a fossil hominin species discovered by Bernard Ngeneo, a member of a team led by anthropologist Richard Leakey and zoologist Meave Leakey in 1972, at Koobi Fora on the east side of Lake Rudolf (now Lake Turkana) in Kenya. The scientific name Homo rudolfensis was proposed in 1986 by V. P. Alekseyev for the specimen Skull 1470 (KNM ER 1470). Skull 1470 has an estimated age of 1.9 million years.

Originally thought to be a member of the species Homo habilis, the fossil was the center of much debate concerning its species. Assigned initially to Homo habilis, the skull was at first incorrectly dated at nearly three million years old. The differences in this skull, when compared to others of the Homo habilis species, are too pronounced, leading to the presumption of a Homo rudolfensis species, contemporary with Homo habilis. It is not certain if H. rudolfensis was ancestral to the later species in Homo, or if H. habilis was, or if some third species yet to be discovered was.

In March 2007, a team led by Timothy Bromage, an anthropologist at New York University, reconstructed the skull of KNM-ER 1470. The new construction looked very ape-like (possibly due to an exaggerated rotation of the skull[1]) and the cranial capacity based on the new construction was reported to be downsized from 752 cm³ to about 526 cm³, although this seemed to be a matter of some controversy.[2] Bromage published his results in 2008 where the cranial capacity was now estimated at 700 cm³.[3] Bromage said his team’s reconstruction included biological principles not known at the time of the skull’s discovery, which state that a mammal’s eyes, ears and mouth must be in precise relationships relative to one another.[2]

See also

References

  1. ^ John Hawks (31 March 2007). "KNM-ER 1470 is not a microcephalic". http://johnhawks.net/weblog/fossils/habilis/er/bromage_1470_2007.html.  
  2. ^ a b Than, Ker (29 March 2007). "Controversial Human Ancestor Gets Major Facelift". LiveScience. http://www.livescience.com/humanbiology/070329_rudolf_reconstruct.html. Retrieved 2007-04-28.  
  3. ^ Bromage TG, McMahon JM, Thackeray JF, et al. (2008). "Craniofacial architectural constraints and their importance for reconstructing the early Homo skull KNM-ER 1470". The Journal of Clinical Pediatric Dentistry 33 (1): 43–54. PMID 19093651.  

External links


Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

Translingual

Etymology

Latin homo man + ?

Proper noun

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Wikipedia

Home rudolfensis

  1. a taxonomic species, within genus Homo - (extinct)
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Wikispecies


Wikispecies

Up to date as of January 23, 2010

From Wikispecies

Homo rudolfensis

Taxonavigation

Main Page
Cladus: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Mammalia
Subclassis: Theria
Infraclassis: Placentalia
Ordo: Primates
Subordo: Haplorrhini
Infraordo: Simiiformes
Parvordo: Catarrhini
Superfamilia: Hominoidea
Familia: Hominidae
Subfamilia: Homininae
Tribus: Hominini
Subtribus: Hominina
Genus: Homo
Species: †Homo rudolfensis

Name

Homo rudolfensis Alexeev, 1986

Vernacular names

Česky: Člověk východoafrický
עברית: הומו רודולפנסיס
Slovenčina: Človek turkanský
Svenska: Rudolfmänniska
中文: 盧多爾夫人,魯道夫人
Wikimedia Commons For more multimedia, look at Homo rudolfensis on Wikimedia Commons.

Simple English

Homo rudolfensis
Fossil range: Pliocene
File:Homo
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Hominidae
Genus: Homo
Species: H. rudolfensis
Binomial name
Homo rudolfensis
Alexeev, 1986

Homo rudolfensis is a fossil hominin species discovered by Bernard Ngeneo, a member of a team led by anthropologist Richard Leakey and zoologist Meave Leakey in 1972, at Koobi Fora on the east side of Lake Rudolf (now Lake Turkana) in Kenya. The scientific name Homo rudolfensis was proposed in 1986 by V. P. Alexeev for the specimen Skull 1470 (KNM ER 1470). Skull 1470 has an estimated age of 1.9 million years.

File:HPCR-UR
UR 501 (original specimen), the eldest fossil of Genus Homo









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