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  • 1
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    Questions About Orrorin Femur (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-02-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ohman, James C -- Lovejoy, C Owen -- White, Tim D -- Eckhardt, Robert B -- Galik, Karol -- Kuperavage, Adam J -- New York, N.Y. -- Science. 2005 Feb 11;307(5711):845b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15708839" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    External and internal morphology of the BAR 1002'00 Orrorin tugenensis femur (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-09-09
    Description: Late Miocene fossils from the Lukeino Formation in Kenya's Tugen Hills are assigned to Orrorin tugenensis. Of 20 fossils recovered there to date, 3 are proximal femurs. One of these, BAR 1002'00, preserves an intact head connected to the proximal shaft by an elongated neck. Although this fossil is comparable in size to Pan troglodytes, computerized tomography scans of the neck-shaft junction of BAR 1002'00 reveal that the cortex is markedly thinner superiorly than inferiorly, differing from the approximately equal cortical thicknesses observed in extant African apes, approaching the condition in later hominids, and indicating that O. tugenensis was bipedal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galik, K -- Senut, B -- Pickford, M -- Gommery, D -- Treil, J -- Kuperavage, A J -- Eckhardt, R B -- New York, N.Y. -- Science. 2004 Sep 3;305(5689):1450-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Orthopedic Biomechanics Laboratory, Allegheny General Hospital, Pittsburgh, PA 15212, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15353798" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomechanical Phenomena ; Femur/*anatomy & histology/radiography ; Femur Neck/anatomy & histology ; *Fossils ; Hominidae/*anatomy & histology/physiology ; Humans ; Kenya ; Locomotion ; Models, Anatomic ; Muscle, Skeletal/anatomy & histology ; Phylogeny ; Posture ; Tomography, X-Ray Computed
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Genetic variation in Africa (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-09-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thorne, A G -- Wolpoff, M H -- Eckhardt, R B -- New York, N.Y. -- Science. 1993 Sep 17;261(5128):1507-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8372344" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Biological Evolution ; *Genetic Variation ; Hominidae/*genetics ; Humans
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Multiregional evolution (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-11-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eckhardt, R B -- Wolpoff, M H -- Thorne, A G -- New York, N.Y. -- Science. 1993 Nov 12;262(5136):973-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8235634" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Hominidae ; Humans
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Hominid evolution (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eckhardt, R B -- New York, N.Y. -- Science. 1986 Oct 3;234(4772):11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17742624" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
    Electronic Resource
    Electronic Resource
    Fish scales for human origins (1991)
    [s.l.] : Nature Publishing Group
    Nature 349 (1991), S. 112-112 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-Previous morphological analyses using hennigian cladistic approaches had suggested that Lake Victoria's approximately 200 species of haplochromine cichlid fishes had a polyphyletic origin'. Despite marked morphological diversity, Lake Victoria's cichlid fish flock may be monophyletic and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/349112a0
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  • 7
    Electronic Resource
    Electronic Resource
    The population structure and inbreeding coefficient in the Yerkes Chimpanzee Colony (1988)
    Springer
    Human evolution 3 (1988), S. 141-146 
    Details
    ISSN: 1824-310X
    Keywords: Inbreeding ; Chimpanzees ; Laboratory Colonies ; Primate Conservation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract This paper describes the establishment and expansion of the Yerkes Chimpanzee Colony over its first half-century of existence. Particular attention is given to the patterns of matings in the population and resultant distribution and levels of inbreeding. Over the period encompassed by this investigation the population mean inbreeding coefficient is 0.0045; the mean inbreeding coefficient for all inbred sibships (20 out of 264) is 0.0990. The mean inbreeding coefficient for all chimpanzees born in the colony is 0.0079, and the highest inbreeding coefficient for any individual is 0.125.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02437438
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  • 8
    Electronic Resource
    Electronic Resource
    Nasal region polymorphism frequencies in the FrankfurtPan troglodytes verus collection (1988)
    Springer
    Human evolution 3 (1988), S. 367-379 
    Details
    ISSN: 1824-310X
    Keywords: Pan troglodytes verus ; chimpanzees ; cranial variation ; polymorphism ; cladistic analysis ; nasal bones
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The results of a morphometric study on the mid-facial region in a collection of 278Pan troglodytes verus skulls are reported. Upwardly divergent nasal bones were found in 35 of the 124 specimens (28.2%) in which this feature could be analyzed. Appreciable separation (1 cm. or more) between nasion and glabella characterized 13 of the 154 skulls (8.4%) in which both these osteometric points could be observed. These findings document the wide ranges of variation that are normally to be found in modest-sized population samples of hominoid primates, and point to the inherent unreliability of cladistic analyses based on the hypothesis that hominoid primate taxa are monomorphic for these character states in the nasal region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02447219
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  • 9
    Electronic Resource
    Electronic Resource
    Matching molecular and morphological evolution (1989)
    Springer
    Human evolution 4 (1989), S. 317-319 
    Details
    ISSN: 1824-310X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02437270
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  • 10
    Electronic Resource
    Electronic Resource
    Enamel hypoplasias as indicators of developmental stress in pongids and hominids (1993)
    Springer
    Human evolution 8 (1993), S. 93-99 
    Details
    ISSN: 1824-310X
    Keywords: enamel hypoplasia ; tooth crown formation ; developmental stress ; primate evolution ; hominid evolution ; Pan troglodytes verus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract This paper reports the results from a study of enamel hypoplasia in the deciduous dentition of free-living Liberian chimpanzees (Pan troglodytes verus). The entire study collection includes 280 specimens (278 skulls plus two unassociated mandibles), of which 70 are young enough to retain some decidous teeth. Among the subsample of infants, the total frequency of hypoplasia summed over all teeth in any individual reaches 80%, being expressed in the form of pits rather than transverse lines. Hypoplasia of a linear form was common in the permanent dentition, attaining a frequency of 46.7% on maxillary central incisors and 69.7% on mandibular canines.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02436608
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