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The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, ''
Homo sapiens Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are Hominidae, great apes characterized by their Prehistory of nakedness and clothing ...
'', throughout the
history of life The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as ''Ga'', for '' gigaannum'') and ...
, beginning some 4 billion years ago down to recent evolution within ''H. sapiens'' during and since the Last Glacial Period. It includes brief explanations of the various
taxonomic rank In biology, taxonomic rank (which some authors prefer to call nomenclatural rank because ranking is part of nomenclature rather than taxonomy proper, according to some definitions of these terms) is the relative or absolute level of a group of or ...
s in the human lineage. The timeline reflects the mainstream views in modern taxonomy, based on the principle of phylogenetic nomenclature; in cases of open questions with no clear consensus, the main competing possibilities are briefly outlined.


Overview of taxonomic ranks

A tabular overview of the
taxonomic rank In biology, taxonomic rank (which some authors prefer to call nomenclatural rank because ranking is part of nomenclature rather than taxonomy proper, according to some definitions of these terms) is the relative or absolute level of a group of or ...
ing of ''
Homo sapiens Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are Hominidae, great apes characterized by their Prehistory of nakedness and clothing ...
'' (with age estimates for each rank) is shown below.


Timeline


Unicellular life


Animalia


Chordata


Tetrapoda


Mammalia


Primates


Hominidae


Homo


Homo sapiens


See also

* Chronology of the universe * Evolution of human intelligence *
Human evolution ''Homo sapiens'' is a distinct species of the hominid family of primates, which also includes all the great apes. Over their evolutionary history, humans gradually developed traits such as Human skeletal changes due to bipedalism, bipedalism, de ...
* Recent human evolution * List of human evolution fossils * Natural history *
Human history Human history or world history is the record of humankind from prehistory to the present. Early modern human, Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers. They Early expansions of hominin ...
* History of Earth * Timeline of prehistory * Timeline of the evolutionary history of life * List of timelines


References


External links


Palaeos

Berkeley Evolution

History of Animal Evolution

Tree of Life Web Project
– explore complete phylogenetic tree interactively
Human Timeline (Interactive)
– Smithsonian,
National Museum of Natural History The National Museum of Natural History (NMNH) is a natural history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States. It has free admission and is open 364 days a year. With 4.4 ...
(August 2016). {{DEFAULTSORT:Timeline Of Human Evolution
Human evolution ''Homo sapiens'' is a distinct species of the hominid family of primates, which also includes all the great apes. Over their evolutionary history, humans gradually developed traits such as Human skeletal changes due to bipedalism, bipedalism, de ...
Evolution-related timelines *