Late Pliocene fossiliferous sedimentary record and the environmental context of early Homo from Afar, Ethiopia

Erin N. DiMaggio, Christopher Campisano, John Rowan, Guillaume Dupont-Nivet, Alan L. Deino, Faysal Bibi, Margaret E. Lewis, Antoine Souron, Dominique Garello, Lars Werdelin, Kaye Reed, Ramon Arrowsmith

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

(K.E.R.) Sedimentary basins in eastern Africa preserve a record of continental rifting and contain important fossil assemblages for interpreting hominin evolution. However, the record of hominin evolution between 3 and 2.5 million years ago (Ma) is poorly documented in surface outcrops, particularly in Afar, Ethiopia. Here we present the discovery of a 2.84- to 2.58-million-year-old fossil and hominin-bearing sediments in the Ledi-Geraru research area of Afar, Ethiopia, that have produced the earliest record of the genus Homo. Vertebrate fossils record a faunal turnover indicative of more open and probably arid habitats than those reconstructed earlier in this region, which is in broad agreement with hypotheses addressing the role of environmental forcing in hominin evolution at this time. Geological analyses constrain depositional and structural models of Afar and date the LD 350-1 Homo mandible to 2.80 to 2.75 Ma.

Original languageEnglish (US)
Pages (from-to)1355-1359
Number of pages5
JournalScience
Volume347
Issue number6228
DOIs
StatePublished - Mar 20 2015

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Ethiopia
Hominidae
Fossils
Eastern Africa
Structural Models
Mandible
Ecosystem
Vertebrates
Research

ASJC Scopus subject areas

  • General
  • Medicine(all)

Cite this

Late Pliocene fossiliferous sedimentary record and the environmental context of early Homo from Afar, Ethiopia. / DiMaggio, Erin N.; Campisano, Christopher; Rowan, John; Dupont-Nivet, Guillaume; Deino, Alan L.; Bibi, Faysal; Lewis, Margaret E.; Souron, Antoine; Garello, Dominique; Werdelin, Lars; Reed, Kaye; Arrowsmith, Ramon.

In: Science, Vol. 347, No. 6228, 20.03.2015, p. 1355-1359.

Research output: Contribution to journalArticle

DiMaggio, EN, Campisano, C, Rowan, J, Dupont-Nivet, G, Deino, AL, Bibi, F, Lewis, ME, Souron, A, Garello, D, Werdelin, L, Reed, K & Arrowsmith, R 2015, 'Late Pliocene fossiliferous sedimentary record and the environmental context of early Homo from Afar, Ethiopia', Science, vol. 347, no. 6228, pp. 1355-1359. https://doi.org/10.1126/science.aaa1415
DiMaggio, Erin N. ; Campisano, Christopher ; Rowan, John ; Dupont-Nivet, Guillaume ; Deino, Alan L. ; Bibi, Faysal ; Lewis, Margaret E. ; Souron, Antoine ; Garello, Dominique ; Werdelin, Lars ; Reed, Kaye ; Arrowsmith, Ramon. / Late Pliocene fossiliferous sedimentary record and the environmental context of early Homo from Afar, Ethiopia. In: Science. 2015 ; Vol. 347, No. 6228. pp. 1355-1359.
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