The os navicular of humans, great apes, OH 8, Hadar, and Oreopithecus : function, phylogeny, and multivariate analysis. American Museum novitates ; no. 3288

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dc.contributor.authorSarmiento, Esteban E.en_US
dc.contributor.authorMarcus, Leslie Floyd, 1930-2002.en_US
dc.date.accessioned2005-10-06T16:45:35Z
dc.date.available2005-10-06T16:45:35Z
dc.date.issued2000en_US
dc.description38 p. : ill. ; 26 cm.en_US
dc.descriptionIncludes bibliographical references (p. 34-38).en_US
dc.description.abstractTo clarify fossil hominid behavior and phylogeny, and to test the accuracy of basing these studies on single bones, navicular measurements of Olduvai and Hadar hominids, Oreopithecus, and a representative sample of humans and great apes were compared. The measurements chosen for comparison quantify the relative orientation, articular area, and curvature of the navicular facets. The measurements demonstrate that the OH 8 navicular belongs to a rigid foot with an adducted hallux and a strong commitment to terrestriality. The Hadar naviculars belong to a foot which lacked a fixed longitudinal plantar arch and had at least a degree of hallucal opposability comparable to that of mountain gorillas. The Oreopithecus navicular belongs to a mobile foot with a widely divergent hallux committed to arboreal behaviors. Multiple discriminant and canonical variate analyses of navicular measurements emphasize the uniqueness of Oreopithecus and the similarities between OH 8 and humans, and between Hadar and African apes. The African apelike morphology of the Hadar naviculars contradicts the alleged humanlike morphology of the Hadar pelvis and knee joints. This contradiction underscores the fallacies inherent in constructing phylogenies on the basis of single bones and/or fragmentary remains, and of reconstructing locomotor behaviors on the basis of localized anatomy.
dc.format.extent608200 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/2980
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York, NY : American Museum of Natural Historyen_US
dc.relation.ispartofseriesAmerican Museum novitates ; no. 3288en_US
dc.subject.lccQL1 .A436 no.3288 2000en_US
dc.subject.lcshTarsus -- Evolution.en_US
dc.subject.lcshHuman evolution.en_US
dc.subject.lcshHominids -- Phylogeny.en_US
dc.titleThe os navicular of humans, great apes, OH 8, Hadar, and Oreopithecus : function, phylogeny, and multivariate analysis. American Museum novitates ; no. 3288en_US
dc.typetexten_US

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