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Macrovertebrate Paleontology and the Pliocene Habitat of Ardipithecus ramidus

A diverse assemblage of large mammals is spatially and stratigraphically associated with Ardipithecus ramidus at Aramis. The most common species are tragelaphine antelope and colobine monkeys. Analyses of their postcranial remains situate them in a closed habitat. Assessment of dental mesowear, micr...

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Published in:Science (American Association for the Advancement of Science) 2009-10, Vol.326 (5949), p.67-93
Main Authors: White, Tim D, Ambrose, Stanley H, Suwa, Gen, Su, Denise F, DeGusta, David, Bernor, Raymond L, Boisserie, Jean-Renaud, Brunet, Michel, Delson, Eric, Frost, Stephen, Garcia, Nuria, Giaourtsakis, Ioannis X, Haile-Selassie, Yohannes, Howell, F. Clark, Lehmann, Thomas, Likius, Andossa, Pehlevan, Cesur, Saegusa, Haruo, Semprebon, Gina, Teaford, Mark, Vrba, Elisabeth
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cited_by cdi_FETCH-LOGICAL-c5272-253affc635e62080377a139a87a21fa59d26889e41766a2ee0951d3566af14ab3
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creator White, Tim D
Ambrose, Stanley H
Suwa, Gen
Su, Denise F
DeGusta, David
Bernor, Raymond L
Boisserie, Jean-Renaud
Brunet, Michel
Delson, Eric
Frost, Stephen
Garcia, Nuria
Giaourtsakis, Ioannis X
Haile-Selassie, Yohannes
Howell, F. Clark
Lehmann, Thomas
Likius, Andossa
Pehlevan, Cesur
Saegusa, Haruo
Semprebon, Gina
Teaford, Mark
Vrba, Elisabeth
description A diverse assemblage of large mammals is spatially and stratigraphically associated with Ardipithecus ramidus at Aramis. The most common species are tragelaphine antelope and colobine monkeys. Analyses of their postcranial remains situate them in a closed habitat. Assessment of dental mesowear, microwear, and stable isotopes from these and a wider range of abundant associated larger mammals indicates that the local habitat at Aramis was predominantly woodland. The Ar. ramidus enamel isotope values indicate a minimal C₄ vegetation component in its diet (plants using the C₄ photosynthetic pathway), which is consistent with predominantly forest/woodland feeding. Although the Early Pliocene Afar included a range of environments, and the local environment at Aramis and its vicinity ranged from forests to wooded grasslands, the integration of available physical and biological evidence establishes Ar. ramidus as a denizen of the closed habitats along this continuum.
doi_str_mv 10.1126/science.1175822
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subjects Animals
Antelopes
Earth Sciences
Forest habitats
Fossils
Grasses
Habitats
Hominids
Mammals
Paleontology
Sciences of the Universe
Special Section: Ardipithecus Ramidus
Stratigraphy
Tooth enamel
Wildlife habitats
Woodlands
title Macrovertebrate Paleontology and the Pliocene Habitat of Ardipithecus ramidus
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