globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2014.12.017
论文题名:
Taxonomy and paleoecology of fossil Bovidae (Mammalia, Artiodactyla) from the Kibish Formation, southern Ethiopia: Implications for dietary change, biogeography, and the structure of the living bovid faunas of East Africa
作者: Rowan J.; Tyler Faith J.; Gebru Y.; Fleagle J.G.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2015
卷: 420
起始页码: 210
结束页码: 222
语种: 英语
英文关键词: Biogeography ; Bovidae ; Kibish Formation ; Late Quaternary paleoecology ; Mesowear
英文摘要: The Kibish Formation of southern Ethiopia has yielded the earliest fossils of Homo sapiens, ca. 196. ka, and has thus figured prominently in discussions of the origins of modern humans. Here we describe the fossil Bovidae from the Kibish Formation, a record that spans the late Middle Pleistocene to the early to mid-Holocene, and reconstruct aspects of their dietary ecology using mesowear analyses. All of the Kibish bovids represent extant taxa with the exception of the extinct blesbok-like alcelaphin Damaliscus hypsodon; extinct arid-adapted forms Syncerus antiquus and Megalotragus, common in other Late Quaternary sites, are notably absent. Mesowear of the Kibish bovids suggests that the Late Quaternary specimens were characterized by diets with considerably more abrasion-dominated wear relative to their extant conspecifics. Finally, the Kibish record provides supporting evidence for recent phylogeographic hypotheses by demonstrating significant range expansions of Aepyceros melampus, Connochaetes taurinus, Hippotragus equinus, and, to a lesser extent, Kobus kob in the late Middle Pleistocene through the early to mid-Holocene coincident with humid phases that punctuated dry spells of the Late Quaternary. © 2014 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69031
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作者单位: School of Human Evolution and Social Change, Arizona State University, Tempe, AZ, United States; School of Social Science, Archaeology Program, University of Queensland, Brisbane, Australia; Paleoanthropology and Paleoenvironment Program, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia; Department of Anatomical Sciences, T8-023 Health Sciences Center, Stony Brook University, Stony Brook, NY, United States

Recommended Citation:
Rowan J.,Tyler Faith J.,Gebru Y.,et al. Taxonomy and paleoecology of fossil Bovidae (Mammalia, Artiodactyla) from the Kibish Formation, southern Ethiopia: Implications for dietary change, biogeography, and the structure of the living bovid faunas of East Africa[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2015-01-01,420
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