Even if you have a tiny garden, these early species are worth looking at.
The earlier species of the genus are smaller and more primitive than the later forms.
I recognize it as being very similar to other early terrestrial species recorded in my archives.
In temperament the Second Men were curiously different from the earlier species.
In such circumstances the earlier and less sensitive human species might well have prospered indefinitely.
Even earlier species of australopithecines, found in Kenya, have been dated back to 4.2 million years.
All the species would be implicit in the earlier species at any stage of evolution.
It can also be propagated from seed in the manner described for some earlier species.
This is an early species of a horse.
But you have to agree that the fossil evidence of earlier species is pretty compelling.