That’s the claim in this ScienceDaily piece:
Recently released research on human evolution has revealed that species of early human ancestors had significant differences in facial features. Now, a University of Missouri researcher and her international team of colleagues have found that these early human species also differed throughout other parts of their skeletons and had distinct body forms. The research team found 1.9 million-year-old pelvis and femur fossils of an early human ancestor in Kenya, revealing greater diversity in the human family tree than scientists previously thought.
“What these new fossils are telling us is that the early species of our genus, Homo, were more distinctive than we thought. They differed not only in their faces and jaws, but in the rest of their bodies too,” said Carol Ward, a professor of pathology and anatomical sciences in the MU School of Medicine. “The old depiction of linear evolution from ape to human with single steps in between is proving to be inaccurate. We are finding that evolution seemed to be experimenting with different human physical traits in different species before ending up with Homo sapiens.”
Do we actually know that these individuals are “different species?”
If all the passengers on an overcrowded subway car in multicultural Toronto, Canada, were fossilized and dug up 50k years from now, with no accompanying information, it would be interesting to know how many “different species” would be identified, using current methods?
“Evolution” is certainly a busy lady, it seems.
Here is a synopsis of the problems we face in understanding human evolution.
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