Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/14840
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dc.contributor.authorWeisbecker, Veraen
dc.contributor.authorGoswami, Anjalien
dc.contributor.authorWroe, Stephenen
dc.contributor.authorSanchez-Villagra, Marcelo Ren
dc.date.accessioned2014-04-28T14:38:00Z-
dc.date.issued2008-
dc.identifier.citationEvolution, 62(8), p. 2027-2041en
dc.identifier.issn1558-5646en
dc.identifier.issn0014-3820en
dc.identifier.urihttps://hdl.handle.net/1959.11/14840-
dc.description.abstractPostcranial ossification sequences in 24 therian mammals and three outgroup taxa were obtained using clear staining and computed tomography to test the hypothesis that the marsupial forelimb is developmentally accelerated, and to assess patterns of therian postcranial ossification. Sequence rank variation of individual bones, phylogenetic analysis, and algorithm-based heterochrony optimization using event pairs were employed. Phylogenetic analysis only recovers Marsupialia, Australidelphia, and Eulipotyphla. Little heterochrony is found within marsupials and placentals. However, heterochrony was observed between marsupials and placentals, relating to late ossification in hind limb long bones and early ossification of the anterior axial skeleton. Also, ossification rank position of marsupial forelimb and shoulder girdle elements is more conservative than that of placentals; in placentals the hind limb area is more conservative. The differing ossification patterns in marsupials can be explained with a combination of muscular strain and energy allocation constraints, both resulting from the requirement of active movement of the altricial marsupial neonates toward the teat. Peramelemorphs, which are comparatively passive at birth and include species with relatively derived forelimbs, differ little from other marsupials in ossification sequence. This suggests that ossification heterochrony in marsupials is not directly related to diversity constraints on the marsupial forelimb and shoulder girdle.en
dc.languageenen
dc.publisherJohn Wiley & Sons Ltden
dc.relation.ispartofEvolutionen
dc.titleOssification Heterochrony in the Therian Postcranial Skeleton and the Marsupial-Placental Dichotomyen
dc.typeJournal Articleen
dc.identifier.doi10.1111/j.1558-5646.2008.00424.xen
dc.subject.keywordsPalaeontology (incl Palynology)en
dc.subject.keywordsAnimal Structure and Functionen
local.contributor.firstnameVeraen
local.contributor.firstnameAnjalien
local.contributor.firstnameStephenen
local.contributor.firstnameMarcelo Ren
local.subject.for2008040308 Palaeontology (incl Palynology)en
local.subject.for2008060807 Animal Structure and Functionen
local.subject.seo2008970106 Expanding Knowledge in the Biological Sciencesen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailv.weisbecker@student.unsw.edu.auen
local.profile.emailagos06@esc.cam.ac.uken
local.profile.emailswroe@une.edu.auen
local.profile.emailm.sanchez@pim.uzh.chen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20140411-162943en
local.publisher.placeUnited States of Americaen
local.format.startpage2027en
local.format.endpage2041en
local.identifier.scopusid47849131373en
local.peerreviewedYesen
local.identifier.volume62en
local.identifier.issue8en
local.contributor.lastnameWeisbeckeren
local.contributor.lastnameGoswamien
local.contributor.lastnameWroeen
local.contributor.lastnameSanchez-Villagraen
dc.identifier.staffune-id:swroeen
local.profile.orcid0000-0002-6365-5915en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:15055en
local.identifier.handlehttps://hdl.handle.net/1959.11/14840en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleOssification Heterochrony in the Therian Postcranial Skeleton and the Marsupial-Placental Dichotomyen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorWeisbecker, Veraen
local.search.authorGoswami, Anjalien
local.search.authorWroe, Stephenen
local.search.authorSanchez-Villagra, Marcelo Ren
local.uneassociationUnknownen
local.year.published2008en
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