Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/14958
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dc.contributor.authorBell, Philen
dc.date.accessioned2014-05-02T11:34:00Z
dc.date.issued2011en
dc.identifier.citationActa Palaeontologica Polonica, 56(4), p. 703-722en
dc.identifier.issn0567-7920en
dc.identifier.issn1732-2421en
dc.identifier.urihttps://hdl.handle.net/1959.11/14958en
dc.description.abstractReanalysis of the skull of the crested Asian hadrosaurine 'Saurolophus angustirostris' confirms its status as a distinct species from its North American relative, 'Saurolophus osborni'. In addition to its greater absolute size, S. angustirostris is differentiated from 'Saurolophus osborni' by an upturned premaxillary body, a more strongly reflected oral margin of the premaxilla, the absence of an anterior notch in the prenarial fossa, a sigmoidal contour of the ventral half of the anterior process of the jugal, a shallow quadratojugal notch on the quadrate, and by a strongly bowed quadrate in lateral view. Phylogenetic analysis corroborates a sister taxon relationship between 'S. angustirostris' and 'S. osborni'. 'Saurolophus' itself is characterised by a solid, rod-like crest composed of the nasals, frontals, and prefrontals; secondary elongation of the frontal and prefrontal resulting in the backwards extension of the frontal platform; a frontal platform that extends dorsal to the anterior portion of the supratemporal fenestra; a parietal that is excluded by the squamosals from the posterodorsal margin of the occiput; and the presence of two supraorbital elements. Although the palaeobiogeographic history of 'Saurolophus' remains unresolved, at least two possible dispersal events took place across Beringia during the late Campanian leading to the evolution of the clade composed of 'Kerberosaurus', 'Prosaurolophus', and 'Saurolophus'.en
dc.languageenen
dc.publisherPolska Akademia Nauken
dc.relation.ispartofActa Palaeontologica Polonicaen
dc.titleCranial osteology and ontogeny of 'Saurolophus angustirostris' from the Late Cretaceous of Mongolia with comments on 'Saurolophus osborni' from Canadaen
dc.typeJournal Articleen
dc.identifier.doi10.4202/app.2010.0061en
dcterms.accessRightsGolden
dc.subject.keywordsAnimal Systematics and Taxonomyen
dc.subject.keywordsPalaeontology (incl Palynology)en
local.contributor.firstnamePhilen
local.subject.for2008060301 Animal Systematics and Taxonomyen
local.subject.for2008040308 Palaeontology (incl Palynology)en
local.subject.seo2008970104 Expanding Knowledge in the Earth Sciencesen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailpbell23@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20140319-145346en
local.publisher.placePolanden
local.format.startpage703en
local.format.endpage722en
local.peerreviewedYesen
local.identifier.volume56en
local.identifier.issue4en
local.access.fulltextYesen
local.contributor.lastnameBellen
dc.identifier.staffune-id:pbell23en
local.profile.orcid0000-0001-5890-8183en
local.profile.roleauthoren
local.identifier.unepublicationidune:15173en
local.identifier.handlehttps://hdl.handle.net/1959.11/14958en
dc.identifier.academiclevelAcademicen
local.title.maintitleCranial osteology and ontogeny of 'Saurolophus angustirostris' from the Late Cretaceous of Mongolia with comments on 'Saurolophus osborni' from Canadaen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.description.statisticsepubsVisitors: 81<br />Views: 81<br />Downloads: 0en
local.search.authorBell, Philen
Appears in Collections:Journal Article
School of Environmental and Rural Science
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