期刊
JOURNAL OF HUMAN EVOLUTION
卷 81, 期 -, 页码 68-82出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jhevol.2014.07.004
关键词
Ardipithecus kadabba; Ardipithecus ramidus; Hominina; Orrorin; Western Ethiopian Escarpment; Late Miocene
资金
- Authority for Research and Conservation of Cultural Heritage (ARCCH) of the Ministry of Culture and Tourism
- National Museum of Ethiopia (NME)
- L.S.B. Leakey Foundation
- U.S. National Science Foundation [NSF SBR-9818353, NSF HOMINID-RHOI BCS-0321893, NSF SBR-9727519]
- CWRU Research Initiation Grant
- National Geographic Society
- Wenner-Gren Foundation
Since 2000, significant collections of Latest Miocene hominin fossils have been recovered from Chad, Kenya, and Ethiopia. These fossils have provided a better understanding of earliest hominin biology and context. Here, we describe five hominin teeth from two periods (ca. 5.4 Million-years-ago and ca. 63 Ma) that were recovered from the Adu-Asa Formation in the Gona Paleoanthropological Research Project area in the Afar, Ethiopia that we assign to either Hominina, gen. et sp. indet. or Ardipithecus kadabba. These specimens are compared with extant African ape and other Latest Miocene and Early Pliocene hominin teeth. The derived morphology of the large, non-sectorial maxillary canine and mandibular third premolar links them with later hominins and they are phenetically distinguishable and thus phyletically distinct from extant apes. (C) 2014 Elsevier Ltd. All rights reserved.
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