New species from Ethiopia further expands Middle Pliocene hominin diversity.
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| Title: | New species from Ethiopia further expands Middle Pliocene hominin diversity. |
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| Authors: | Haile-Selassie, Yohannes1, Gibert, Luis2, Melillo, Stephanie M.3, Ryan, Timothy M.4, Alene, Mulugeta5, Deino, Alan6, Levin, Naomi E.7, Scott, Gary6, Saylor, Beverly Z.8 |
| Source: | Nature. 5/28/2015, Vol. 521 Issue 7553, p483-488. 6p. |
| Subjects: | Fossil hominids, Australopithecines, Kenyanthropus platyops, Australopithecus afarensis, Pliocene Epoch |
| Abstract: | Middle Pliocene hominin species diversity has been a subject of debate over the past two decades, particularly after the naming of Australopithecus bahrelghazali and Kenyanthropus platyops in addition to the well-known species Australopithecus afarensis. Further analyses continue to support the proposal that several hominin species co-existed during this time period. Here we recognize a new hominin species (Australopithecus deyiremeda sp. nov.) from 3.3-3.5-million-year-old deposits in the Woranso-Mille study area, central Afar, Ethiopia. The new species from Woranso-Mille shows that there were at least two contemporaneous hominin species living in the Afar region of Ethiopia between 3.3 and 3.5 million years ago, and further confirms early hominin taxonomic diversity in eastern Africa during the Middle Pliocene epoch. The morphology of Au. deyiremeda also reinforces concerns related to dentognathic (that is, jaws and teeth) homoplasy in Plio-Pleistocene hominins, and shows that some dentognathic features traditionally associated with Paranthropus and Homo appeared in the fossil record earlier than previously thought. [ABSTRACT FROM AUTHOR] |
| Copyright of Nature is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 103043634 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1038/nature14448 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 483 Subjects: – SubjectFull: Fossil hominids Type: general – SubjectFull: Australopithecines Type: general – SubjectFull: Kenyanthropus platyops Type: general – SubjectFull: Australopithecus afarensis Type: general – SubjectFull: Pliocene Epoch Type: general Titles: – TitleFull: New species from Ethiopia further expands Middle Pliocene hominin diversity. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Haile-Selassie, Yohannes – PersonEntity: Name: NameFull: Gibert, Luis – PersonEntity: Name: NameFull: Melillo, Stephanie M. – PersonEntity: Name: NameFull: Ryan, Timothy M. – PersonEntity: Name: NameFull: Alene, Mulugeta – PersonEntity: Name: NameFull: Deino, Alan – PersonEntity: Name: NameFull: Levin, Naomi E. – PersonEntity: Name: NameFull: Scott, Gary – PersonEntity: Name: NameFull: Saylor, Beverly Z. IsPartOfRelationships: – BibEntity: Dates: – D: 28 M: 05 Text: 5/28/2015 Type: published Y: 2015 Identifiers: – Type: issn-print Value: 00280836 Numbering: – Type: volume Value: 521 – Type: issue Value: 7553 Titles: – TitleFull: Nature Type: main |
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