These feet were made for walking
1Department of Anatomical Sciences, Stony Brook University School of Medicine, New York, United States.
Elife
|December 15, 2016
Summary
New fossil footprints from Laetoli indicate that early human ancestors exhibited significant variation in body size. This discovery provides key insights into the diversity of our bipedal predecessors.
Area of Science:
- Paleoanthropology
- Paleontology
- Human Evolution
Background:
- The Laetoli site in Tanzania is renowned for its fossilized hominin footprints.
- Understanding the physical diversity of early human ancestors is crucial for reconstructing evolutionary pathways.
Purpose of the Study:
- To analyze new fossil footprints from Laetoli.
- To infer the range of body sizes among early bipedal hominins.
Main Methods:
- Excavation and documentation of fossil footprints.
- Comparative analysis of footprint morphology and size.
Main Results:
- Newly discovered footprints reveal a broad spectrum of hominin body sizes.
- The findings challenge previous assumptions about the uniformity of early hominin populations.
Conclusions:
- Early bipedal ancestors displayed considerable body size variation.
- This diversity has implications for understanding social structures and ecological niches of ancient hominins.
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