Denisovan: Difference between revisions

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Revision as of 22:59, 24 March 2010

Denisova hominin Temporal range: Pleistocene
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Primates
Family:	Hominidae
Genus:	Homo

Denisova hominin is the name given to a species of proto-human that was identified through the analysis of DNA, and announced in March 2010. Scientists believe that Denisova hominins lived between 1 million and 40,000 years ago, and lived in areas also inhabited by Neanderthals and Modern humans.

Discovery

A team of scientists from the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, led by Svante Pääbo, sequenced mitochondrial DNA (mtDNA) extracted from the fragment of a child's pinky finger bone found in Denisova Cave in Siberia. Artifacts excavated in the cave at the same level that the bone fragment was found were carbon dated to around 40,000 old. Likewise, analysis of the mtDNA indicates a common ancestor is last shared between Denisova hominin, Neanderthals, and Modern humans around 1 million years ago.

Anatomy

Little is known of the anatomical features of Denisova hominin as the only physical remains discovered thus far are the finger bone from which genetic material was gathered.

External links

References

Human evolution

Taxonomy
(Hominins)

Last common ancestors

Australopithecines

Nakalipithecus Orrorin Sahelanthropus Kenyanthropus
Ardipithecus	A. kadabba A. ramidus
Australopithecus	A. afarensis A. africanus A. anamensis A. bahrelghazali A. deyiremeda A. garhi A. sediba
Paranthropus	P. aethiopicus P. boisei P. robustus

Humans and
proto-humans
(Homo)

Proto-humans

H. gautengensis (?) H. habilis H. naledi H. rudolfensis (?) H. tsaichangensis (?)
Homo erectus	H. e. erectus H. e. georgicus H. e. lantianensis H. e. nankinensis H. e. pekinensis H. e. soloensis H. e. tautavelensis H. e. yuanmouensis

Archaic humans

Modern humans

Homo sapiens	H. s. sapiens (archaic homo sapiens, anatomically modern humans) Jebel Irhoud H. s. idaltu Cro-Magnon Manot people Tam Pa Ling Red Deer Cave people

Ancestors

Homo habilis → Homo ergaster / Homo erectus (→ Homo antecessor) → Homo heidelbergensis → archaic Homo sapiens → Homo sapiens

Models

General models	Hunting Gathering Endurance running Aquatic ape Sexual selection Self-domestication
Specific models	Diet Cooking Expensive tissue Shore-based Drugs Drunken monkey Evolutionary models of human drug use Stoned ape theory Behavior Killer ape Cooperative eye Life history Grandmother Patriarch
Topics	Bipedalism Skeleton Muscles Skin color Hair Thermoregulation Speech Language Intelligence Gender roles
Origin of modern humans	Recent African origin Multiregional origin Archaic admixture Behavioral modernity Early migrations Recent evolution

Timelines

Others

Categories:

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