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Geology and palaeontology of the Upper Miocene Toros-Menalla hominid locality, Chad.
Abstract
All six known specimens of the early hominid Sahelanthropus tchadensis come from Toros-Menalla site 266 (TM 266), a single locality in the Djurab Desert, northern Chad, central Africa. Here we present a preliminary analysis of the palaeontological and palaeoecological context of these finds. The rich fauna from TM 266 includes a significant aquatic component such as fish, crocodiles and amphibious mammals, alongside animals associated with gallery forest and savannah, such as primates, rodents, elephants, equids and bovids. The fauna suggests a biochronological age between 6 and 7 million years. Taken together with the sedimentological evidence, the fauna suggests that S. tchadensis lived close to a lake, but not far from a sandy desert, perhaps the oldest record of desert conditions in the Neogene of northern central Africa.
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Metadata
- Authors
- Vignaud, P., Duringer, P., Mackaye, H. T., Likius, A., Blondel, C., Boisserie, J.-R., de Bonis, L., Eisenmann, V., Etienne, M.-E., Geraads, D., Guy, F., Lehmann, T., Lihoreau, F., Lopez-Martinez, N., Mourer-Chauviré, C., Otero, O., Rage, J.-C., Schuster, M., Viriot, L., Zazzo, A., & Brunet, M.
- Affiliations
- Centre National de la Recherche Scientifique (FR)
- University of N'Djamena (TD)
- Corresponding author
- Vignaud, Patrick
- ORCID
- Venue
- Nature
- Published
- 2002-07
- Volume
- 418
- Issue
- 6894
- Pages
- 152-155
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W2123184072
- Cited by
- 501
- References
- 30
- Citations by year
- 2026: 6 · 2025: 7 · 2024: 5 · 2023: 13 · 2022: 30 · 2021: 9 · 2020: 8 · 2019: 12 · 2018: 79 · 2017: 18 · 2016: 14 · 2015: 23 · 2014: 24 · 2013: 23 · 2012: 19
- FWCI
- 98.80
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Nature (publishedVersion)
- PubMed (publishedVersion)
- HAL (submittedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- Funders
- Ministère de l'Education Nationale, de l'Enseignement Supérieur et de la Recherche
- Topics
- Social Sciences › Anthropology › Pleistocene-Era Hominins and Archaeology
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Evolution and Paleontology Studies
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Primate Behavior and Ecology
- Keywords
- Sahelanthropus tchadensis, early hominins, Miocene, paleoecology, fossil fauna, biochronology, lake environment, desert environment, Neogene, Chad
- MeSH terms
- Animals, Chad, Fossils, Fresh Water, Geography, Humans, Time Factors, Hominidae, Ecosystem, Geologic Sediments
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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