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Kaifu Y. Archaic Hominin Populations in Asia before the Arrival of Modern Humans. CURRENT ANTHROPOLOGY 2017. [DOI: 10.1086/694318] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Athreya S, Wu X. A multivariate assessment of the Dali hominin cranium from China: Morphological affinities and implications for Pleistocene evolution in East Asia. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2017; 164:679-701. [PMID: 29068047 DOI: 10.1002/ajpa.23305] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 08/15/2017] [Accepted: 08/18/2017] [Indexed: 11/10/2022]
Abstract
OBJECTIVES A nearly complete hominin fossil cranium from Dali in Shaanxi Province, China was excavated in 1978. We update and expand on previous research by providing a multivariate analysis of the specimen relative to a large sample of Middle and Late Pleistocene hominins. MATERIALS AND METHODS We apply principal components analysis, discriminant function analysis, and a method of assessing group membership based on a soft independent model of class analogy (SIMCA) to the study of Dali's cranial morphology. We evaluate Dali's affinities within the context of Middle and Late Pleistocene Homo patterns of craniofacial morphology. RESULTS When just the facial skeleton is considered, Dali aligns with Middle Paleolithic H. sapiens and is clearly more derived than African or Eurasian Middle Pleistocene Homo. When just the neurocranium is considered, Dali is most similar to African and Eastern Eurasian but not Western European Middle Pleistocene Homo. When both sets of variables are considered together, Dali exhibits a unique morphology that is most closely aligned with the earliest H. sapiens from North Africa and the Levant. DISCUSSION These results add perspective to our previous view of as Dali a "transitional" form between Chinese H. erectus and H. sapiens. Athough no taxonomic allocation is appropriate at this time for Dali, it appears to represent a population that played a more central role in the origin of Chinese H. sapiens. Dali's affinities can be understood in the context of Wu's Continuity with Hybridization scenario and a braided-stream network model of gene flow. Specifically, we propose that Pleistocene populations in China were shaped by periods of isolated evolutionary change within local lineages at certain times, and gene flow between local lineages or between Eastern and Western Eurasia, and Africa at other times, resulting in contributions being made in different capacities to different regions at different times.
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Affiliation(s)
- Sheela Athreya
- Department of Anthropology, Texas A&M University, MS 4352 TAMU, College Station, Texas 77843
| | - Xinzhi Wu
- Laboratory for Human Evolution, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, 100044, China
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Liu W, Martinón-Torres M, Kaifu Y, Wu X, Kono RT, Chang CH, Wei P, Xing S, Huang W, Bermúdez de Castro JM. A mandible from the Middle Pleistocene Hexian site and its significance in relation to the variability of Asian Homo erectus. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2017; 162:715-731. [PMID: 28109118 DOI: 10.1002/ajpa.23162] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 12/05/2016] [Accepted: 12/18/2016] [Indexed: 12/26/2022]
Abstract
OBJECTIVES This study presents the first detailed morphological description and comparison of a Middle Pleistocene hominin mandibular fragment (PA 831) and associated teeth from the Hexian site in Eastern China. We aim to investigate where the Hexian mandible fits within the genus Homo variability in the light of an increased and better characterized Asian fossils record. METHODS Comparative samples include Pleistocene Homo mandibles and teeth from Africa, Asia, and Europe, as well as earlier African hominins (Australopithecus and early Homo) and Holocene recent humans. Both conventional morphological description and metric analysis were used. In addition, virtual reconstructions of the enamel dentine junction (EDJ) surface, pulp cavity, and roots with micro-CT were used to the mandible and teeth. RESULTS The Hexian mandible is characterized by a plesiomorphic structural pattern for the Homo clade, with strong corpus robustness and a subparallel and low-positioned mylohyoid line that differentiates the swollen subalveolar planum from the shallow subalveolar fossa. Features that are derived compared to early Homo include a moderately curved dental arcade, a well-developed lateral prominence placed at the M2 -M3 level, and multiple mental foramina. The Hexian mandible's complex enamel surface and strong, stout root structure are primitive traits for the Homo clade. Finally, the highly crenulated "dendrite-like" EDJ found in the molars may represent a dental feature specific to the continental Asian Homo erectus, but more data is needed to confirm this. CONCLUSIONS Mandibular and dental features indicate that the Hexian mandible and teeth differ from northern Chinese H. erectus and European Middle Pleistocene hominins, but show some affinities with the Early Pleistocene specimens from Africa (Homo ergaster) and Java (H. erectus), as well as the Middle-Late Pleistocene mandible from Penghu, Taiwan. Compared to contemporaneous continental Asian hominin populations, the Hexian fossils may represent the survival of a primitive hominin, with more primitive morphologies than other contemporaneous or some chronologically older Asian hominin specimens.
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Affiliation(s)
- Wu Liu
- Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology Chinese Academy of Sciences, Beijing, 100044, China
| | - María Martinón-Torres
- Department of Anthropology, University College London (UCL), 14 Taviton Street, London, WC1H 0BW.,Laboratorio de Evolución Humana, Departamento de Historia, Geografía y Comunicación, University of Burgos, Burgos, 09001, Spain
| | - Yousuke Kaifu
- Department of Anthropology, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba-shi, Ibaraki, 305-0005, Japan
| | - Xiujie Wu
- Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology Chinese Academy of Sciences, Beijing, 100044, China
| | - Reiko T Kono
- Department of Anthropology, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba-shi, Ibaraki, 305-0005, Japan
| | - Chun-Hsiang Chang
- Department of Geology, National Museum of Natural Science, Taichung, 40453, Taiwan
| | - Pianpian Wei
- State Key Laboratory of Genetic Engineering and Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, 200433, China
| | - Song Xing
- Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology Chinese Academy of Sciences, Beijing, 100044, China
| | - Wanbo Huang
- Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology Chinese Academy of Sciences, Beijing, 100044, China
| | - José María Bermúdez de Castro
- Department of Anthropology, University College London (UCL), 14 Taviton Street, London, WC1H 0BW.,Hominid Paleobiology Program, National Research Center on Human Evolution (CENIEH), Paseo Sierra de Atapuerca s/n. Burgos, 09002, Spain
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BAAB KARENL, ZAIM YAHDI. Global and local perspectives on cranial shape variation in Indonesian Homo erectus. ANTHROPOL SCI 2017. [DOI: 10.1537/ase.170413] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- KAREN L. BAAB
- Department of Anatomy, Midwestern University, Arizona College of Osteopathic Medicine, Glendale
| | - YAHDI ZAIM
- Department of Geology, Institut Technologi Bandung (ITB), Bandung
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Cui Y, Wu X. A geometric morphometric study of a Middle Pleistocene cranium from Hexian, China. J Hum Evol 2015; 88:54-69. [PMID: 26553818 DOI: 10.1016/j.jhevol.2015.08.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Revised: 08/05/2015] [Accepted: 08/06/2015] [Indexed: 12/01/2022]
Abstract
The Hexian calvarium is one of the most complete and well-preserved Homo erectus fossils ever found in east Asia, apart from the Zhoukoudian specimens. Various methods bracket the age of the Hexian fossil to between 150 and 412 ka (thousands of years ago). The Hexian calvarium has been considered to be H. erectus given its morphological similarities to Zhoukoudian and Javan H. erectus. However, discussion continues regarding the affinities of the Hexian specimen with other H. erectus fossils. The arguments mainly focus on its relationships to other Asian H. erectus fossils, including those from both China and Java. To better determine the affinities of the Hexian cranium, our study used 3D landmark and semilandmark geometric morphometric techniques and multivariate statistical analyses to quantify the shape of the neurocranium and to compare the Hexian cranium to other H. erectus specimens. The results of this study confirmed the morphological similarities between Hexian and Chinese H. erectus in overall morphology, and particularly in the structure of the frontal bone and the posterior part of the neurocranium. Although the Hexian specimen shows the strongest connection to Chinese H. erectus, the morphology of the lateral neurocranium resembles early Indonesian H. erectus specimens, possibly suggesting shared common ancestry or gene flow from early Indonesian populations. Overall cranial and frontal bone morphology are strongly influenced by geography. Although geographically intermediate between Zhoukoudian and Indonesian H. erectus, the Hexian specimen does not form part of an obvious morphological gradient with regard to overall cranial shape.
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Affiliation(s)
- Yaming Cui
- Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China; University of the Chinese Academy of Sciences, Beijing 100049, China.
| | - Xinzhi Wu
- Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China
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Chang CH, Kaifu Y, Takai M, Kono RT, Grün R, Matsu'ura S, Kinsley L, Lin LK. The first archaic Homo from Taiwan. Nat Commun 2015; 6:6037. [PMID: 25625212 PMCID: PMC4316746 DOI: 10.1038/ncomms7037] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 12/03/2014] [Indexed: 12/02/2022] Open
Abstract
Recent studies of an increasing number of hominin fossils highlight regional and chronological diversities of archaic Homo in the Pleistocene of eastern Asia. However, such a realization is still based on limited geographical occurrences mainly from Indonesia, China and Russian Altai. Here we describe a newly discovered archaic Homo mandible from Taiwan (Penghu 1), which further increases the diversity of Pleistocene Asian hominins. Penghu 1 revealed an unexpectedly late survival (younger than 450 but most likely 190–10 thousand years ago) of robust, apparently primitive dentognathic morphology in the periphery of the continent, which is unknown among the penecontemporaneous fossil records from other regions of Asia except for the mid-Middle Pleistocene Homo from Hexian, Eastern China. Such patterns of geographic trait distribution cannot be simply explained by clinal geographic variation of Homo erectus between northern China and Java, and suggests survival of multiple evolutionary lineages among archaic hominins before the arrival of modern humans in the region. Growing evidence reveals great diversity of archaic Asian hominins. Here, Chang and colleagues describe a newly discovered archaic Homo mandible from Taiwan, which suggests the survival of multiple evolutionary lineages among archaic hominins before the arrival of modern humans to eastern Asia.
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Affiliation(s)
- Chun-Hsiang Chang
- Department of Geology, National Museum of Natural Science, 1, Guancian Road, Taichung 40453, Taiwan
| | - Yousuke Kaifu
- 1] Department of Anthropology, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba-shi, Ibaraki 305-0005, Japan [2] Department of Biological Sciences, The University of Tokyo, 3-1-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Masanaru Takai
- Primate Research Institute, Kyoto University, 41-2 Kanrin, Inuyama, Aichi 484-8506, Japan
| | - Reiko T Kono
- Department of Anthropology, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba-shi, Ibaraki 305-0005, Japan
| | - Rainer Grün
- Research School of Earth Sciences, The Australian National University, Mills Road Building 142, Canberra, Australian Capital Territory 0200, Australia
| | - Shuji Matsu'ura
- Laboratory of Physical Anthropology, Ochanomizu University, 2-1-1 Otsuka, Bunkyo-ku, Tokyo 112-8610, Japan
| | - Les Kinsley
- Research School of Earth Sciences, The Australian National University, Mills Road Building 142, Canberra, Australian Capital Territory 0200, Australia
| | - Liang-Kong Lin
- Department of Life Science, Tunghai University, 0704 PO Box 988, No. 181, Sector 3, Taichung Port Road, Taichung 40704, Taiwan
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Xing S, Martinón-Torres M, Bermúdez de Castro JM, Zhang Y, Fan X, Zheng L, Huang W, Liu W. Middle Pleistocene hominin teeth from Longtan Cave, Hexian, China. PLoS One 2014; 9:e114265. [PMID: 25551383 PMCID: PMC4281145 DOI: 10.1371/journal.pone.0114265] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2014] [Accepted: 11/04/2014] [Indexed: 11/24/2022] Open
Abstract
Excavations at the Longtan Cave, Hexian, Anhui Province of Eastern China, have yielded several hominin fossils including crania, mandibular fragments, and teeth currently dated to 412 ± 25 ka. While previous studies have focused on the cranial remains, there are no detailed analyses of the dental evidence. In this study, we provide metric and morphological descriptions and comparisons of ten teeth recovered from Hexian, including microcomputed tomography analyses. Our results indicate that the Hexian teeth are metrically and morphologically primitive and overlap with H. ergaster and East Asian Early and mid-Middle Pleistocene hominins in their large dimensions and occlusal complexities. However, the Hexian teeth differ from H. ergaster in features such as conspicuous vertical grooves on the labial/buccal surfaces of the central incisor and the upper premolar, the crown outline shapes of upper and lower molars and the numbers, shapes, and divergences of the roots. Despite their close geological ages, the Hexian teeth are also more primitive than Zhoukoudian specimens, and resemble Sangiran Early Pleistocene teeth. In addition, no typical Neanderthal features have been identified in the Hexian sample. Our study highlights the metrical and morphological primitive status of the Hexian sample in comparison to contemporaneous or even earlier populations of Asia. Based on this finding, we suggest that the primitive-derived gradients of the Asian hominins cannot be satisfactorily fitted along a chronological sequence, suggesting complex evolutionary scenarios with the coexistence and/or survival of different lineages in Eurasia. Hexian could represent the persistence in time of a H. erectus group that would have retained primitive features that were lost in other Asian populations such as Zhoukoudian or Panxian Dadong. Our study expands the metrical and morphological variations known for the East Asian hominins before the mid-Middle Pleistocene and warns about the possibility that the Asian hominin variability may have been taxonomically oversimplified.
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Affiliation(s)
- Song Xing
- Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China
| | | | | | - Yingqi Zhang
- Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China
| | | | | | - Wanbo Huang
- Chongqing Three Gorges Institute of Paleoanthropology, China Three Gorges Museum, Chongqing, China
| | - Wu Liu
- Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China
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Craniofacial morphology of Homo floresiensis: Description, taxonomic affinities, and evolutionary implication. J Hum Evol 2011; 61:644-82. [DOI: 10.1016/j.jhevol.2011.08.008] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2010] [Revised: 08/19/2011] [Accepted: 08/21/2011] [Indexed: 11/19/2022]
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The taxonomic implications of cranial shape variation in Homo erectus. J Hum Evol 2008; 54:827-47. [DOI: 10.1016/j.jhevol.2007.11.003] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2006] [Revised: 10/27/2007] [Accepted: 11/18/2007] [Indexed: 11/23/2022]
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SUWA GEN, ASFAW BERHANE, HAILE-SELASSIE YOHANNES, WHITE TIM, KATOH SHIGEHIRO, WOLDEGABRIEL GIDAY, HART WILLIAMK, NAKAYA HIDEO, BEYENE YONAS. Early Pleistocene Homo erectus fossils from Konso, southern Ethiopia. ANTHROPOL SCI 2007. [DOI: 10.1537/ase.061203] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- GEN SUWA
- The University Museum, The University of Tokyo
| | | | | | - TIM WHITE
- Human Evolution Research Center, Museum of Vertebrate Zoology, University of California at Berkeley
| | - SHIGEHIRO KATOH
- Division of Earth Sciences, Hyogo Museum of Nature and Human Activities
| | - GIDAY WOLDEGABRIEL
- Hydrology, Geochemistry and Geology Group, Los Alamos National Laboratory
| | | | - HIDEO NAKAYA
- Department of Earth and Environmental Sciences, Kagoshima University
| | - YONAS BEYENE
- Department of Anthropology and Archaeology, Authority for Research and Conservation of the Cultural Heritage, Ministry of Youth, Sports and Culture, Addis Ababa
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Affiliation(s)
- YOUSUKE KAIFU
- Department of Anthropology, National Science Museum, Tokyo
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