Search research articles

Search research articles

Related Experiment Videos

Foot bones from Omo: implications for hominid evolution.

Daniel L Gebo¹, Gary T Schwartz

¹Department of Anthropology, Northern Illinois University, DeKalb, Illinois 60115, USA. dgebo@niu.edu

American Journal of Physical Anthropology

|December 7, 2005

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Hominin postcranial remains from Drimolen Main Quarry, South Africa.

Anatomical record (Hoboken, N.J. : 2007)·2026

Same author

New finds shed light on diet and locomotion in Australopithecus deyiremeda.

Nature·2025

Same author

Impact of intermittent lead exposure on hominid brain evolution.

Science advances·2025

Same author

Poor Oral Health Is Associated With Inflammation, Aortic Valve Calcification, and Brain Volume Among Forager-Farmers.

The journals of gerontology. Series A, Biological sciences and medical sciences·2024

Same author

Aspects of molar form and dietary proclivities of African colobines.

Journal of human evolution·2023

Same author

Comparative description and taxonomic affinity of 3.7-million-year-old hominin mandibles from Woranso-Mille (Ethiopia).

Journal of human evolution·2022

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Fossil foot bones from Omo, dating to over 2 million years ago, are attributed to early Homo. These specimens show modern-like morphology, suggesting biomechanical changes in hominid bipedalism over time.

Area of Science:

Paleoanthropology
Human Evolution
Primate Anatomy

Background:

Hominid fossil record analysis is crucial for understanding human evolution.
Talus and calcaneus morphology provide insights into bipedal locomotion and taxonomic classification.
Previous studies have identified distinct tarsal morphologies in different hominid lineages.

Purpose of the Study:

To reanalyze Omo hominid talus and calcaneus fossils.
To attribute these foot bones to a specific hominid taxon based on morphology and function.
To compare Omo tarsal morphology with other early hominid foot fossils and infer evolutionary trends in bipedalism.

Main Methods:

Morphological analysis of hominid talus and calcaneus fossils from Omo.
Articular assessment of Omo tarsals to determine functional and taxonomic coherence.

Related Experiment Videos

Comparative analysis with fossil hominid tarsals from Koobi Fora and Hadar.

Interpretation of tarsal features in the context of hominid bipedal biomechanics.

Main Results:

Omo talus (2.2 mya) and calcaneus (2.36 mya) articulate well, suggesting a single taxon.
The Omo foot bones exhibit modern-like tarsal morphology, aligning with early Homo.
Similarities were noted with a talus from Koobi Fora (KNM-ER 813), attributed to Homo rudolfensis or Homo erectus.
Anatomical differences between Omo and Hadar tarsals indicate distinct morphological patterns and potentially different hominid lineages.

Conclusions:

The Omo foot bones are attributed to early Homo based on their morphology.
Tarsal morphology suggests biomechanical changes occurred over time in hominid bipedalism.
Specific tarsal features may be associated with different hominid lineages, including robust australopithecines.