International Journal of Evolutionary Biology / 2011 / Article / Fig 1

Review Article

Before the Emergence of Homo sapiens: Overview on the Early-to-Middle Pleistocene Fossil Record (with a Proposal about Homo heidelbergensis at the subspecific level)

Figure 1

Evolutionary tree of the genus Homo illustrating trajectories of the diffusion and/or tentative phylogenetic relationships between a limited number of species. Note that, according to this scenario, only H. sapiens and H. heidelbergensis (not H. erectus) have a widespread distribution in Africa and Eurasia. Also what is called here “early Homo” (H. habilis? Primitive H. ergaster?) might have been largely distributed at the beginning of its dispersal (i.e., well before 1 Ma). Legend. Continuous bold lines: time-span covered by species in different regions; dashed lines: inferred extension of specific time limits, although the evidence may be missing, dubious, or controversial; dotted lines: phylogenetic links and/or trajectories of diffusion.

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