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Re: hominid species
> Could someone please tell me when the evolution of the genus _Homo_
> first began. A reference would be helpful..
This is still being debated. The earliest known specimens of
the genus Homo are dated to about 2 million years ago, or slightly
less. Some workers, based on certain attempts at cladistic analysis,
maintain that Homo must have split off some time earlier than that.
[I am suspicious that these *particular* cladistic analyses are
based on some poor assumptions about intra-specific variation
and modes of character change].
So the answer is between 2 and 5 million years ago, depending on
who you ask.
The peace of God be with you.