Evolutionary morphology of the theropod scapulocoracoid

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dc.contributor.advisorRussell, Anthony P.
dc.contributor.authorJasinoski, Sandra Christine
dc.date.accessioned2005-08-08T19:53:38Z
dc.date.available2005-08-08T19:53:38Z
dc.date.issued2003
dc.descriptionBibliography: p. 384-411en
dc.description.abstractThe theropod scapulocoracoid is an integral component of the avian flight apparatus, and its evolution is investigated using a combination of systematically based comparative anatomical and morphometric analyses. The morphological trends revealed via comparisons of theropod taxa are subsequently compared to the results of thin-plate spline analysis, allowing for a more objective assessment of shape changes observed in the scapulocoracoid. Thin-plate splines also permit graphical reconstruction of hypothetical ancestral forms situated at the internal nodes within a cladogram. The transformations inferred for the hypothetical ancestors, which represent more accurately the true line of descent, are compared to the transitions between the terminal taxa. In order to evaluate changes in the size and performance of the shoulder girdle musculature during this transition, theropod shoulder girdle musculature is reconstructed, based upon phylogenetic and functional inferences. Identification and comparison of osteological correlates of theropod shoulder musculature across theropod groups, and areas of shape change in the scapulocoracoid as revealed by anatomical comparisons, allow muscular changes to be mapped onto structural intermediates leading up to birds.
dc.format.extentxvi, 414 leaves : ill. ; 30 cm.en
dc.identifier.citationJasinoski, S. C. (2003). Evolutionary morphology of the theropod scapulocoracoid (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/19998en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/19998
dc.identifier.isbn0612872912en
dc.identifier.lccAC1 .T484 2003 J37en
dc.identifier.urihttp://hdl.handle.net/1880/39897
dc.language.isoeng
dc.publisher.institutionUniversity of Calgaryen
dc.publisher.placeCalgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.
dc.titleEvolutionary morphology of the theropod scapulocoracoid
dc.typemaster thesis
thesis.degree.disciplineBiological Sciences
thesis.degree.grantorUniversity of Calgary
thesis.degree.nameMaster of Science (MSc)
ucalgary.item.requestcopytrue
ucalgary.thesis.accessionTheses Collection 58.002:Box 1446 520708881
ucalgary.thesis.notesUARCen
ucalgary.thesis.uarcreleaseyen
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