{"id":{"repo_id":"calgary","oai_identifier":"oai:ucalgary.scholaris.ca:11023/498"},"canonical_url":"https://search.dev.ndltd.org/etd/calgary/oai:ucalgary.scholaris.ca:11023/498","repository":{"repo_id":"calgary","name":"University of Calgary","base_url":"https://ucalgary.scholaris.ca/server/oai/request"},"display":{"title":"Investigating Sexual Dimorphism in Ceratopsid Horncores","abstract":"Evidence for sexual dimorphism was investigated in the horncores of two ceratopsid dinosaurs, Triceratops and Centrosaurus apertus. A review of studies of sexual dimorphism in the vertebrate fossil record revealed methods that were selected for use in ceratopsids. Mountain goats, bison, and pronghorn were selected as exemplar taxa for a proof of principle study that tested the selected methods, and informed and guided the investigation of sexual dimorphism in dinosaurs. Skulls of these exemplar taxa were measured in museum collections, and methods of analysing morphological variation were tested for their ability to demonstrate sexual dimorphism in their horns and horncores. Skulls and isolated horncores of Triceratops and Centrosaurus were measured in museum collections, and analysed with the methods applied to the exemplar taxa. Considerable morphological variation was found in both species, and was suggestive of dimorphism in Centrosaurus, but was deemed not to be attributable to sexual dimorphism.","abstract_html":"Evidence for sexual dimorphism was investigated in the horncores of two ceratopsid dinosaurs, Triceratops and Centrosaurus apertus. A review of studies of sexual dimorphism in the vertebrate fossil record revealed methods that were selected for use in ceratopsids. Mountain goats, bison, and pronghorn were selected as exemplar taxa for a proof of principle study that tested the selected methods, and informed and guided the investigation of sexual dimorphism in dinosaurs. Skulls of these exemplar taxa were measured in museum collections, and methods of analysing morphological variation were tested for their ability to demonstrate sexual dimorphism in their horns and horncores. Skulls and isolated horncores of Triceratops and Centrosaurus were measured in museum collections, and analysed with the methods applied to the exemplar taxa. Considerable morphological variation was found in both species, and was suggestive of dimorphism in Centrosaurus, but was deemed not to be attributable to sexual dimorphism.","abstract_has_math":false,"creators":["Borkovic, Benjamin"],"institution":"Graduate Studies","degree_name":"Master of Science (MSc)","degree_level":null,"degree_discipline":"Biological Sciences","degree_department":null,"school":null,"contributors":[],"advisors":["Russell, Anthony"],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-01-25","date_published":"2013-01-25","updated_at":"2026-07-24T01:30:33Z","subjects":["Paleontology"],"languages":["eng"],"rights":["University 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."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier.doi","label":"DOI","values":["http://dx.doi.org/10.11575/PRISM/26635"],"render_values":[{"text":"http://dx.doi.org/10.11575/PRISM/26635","href":"http://dx.doi.org/10.11575/PRISM/26635","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/11023/498","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Russell, Anthony"]},{"key":"dc:creator","label":"Author","values":["Borkovic, Benjamin"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2013-01-25T22:27:48Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2013-06-15T07:01:47Z"]},{"key":"dc:date.issued","label":"Date","values":["2013-01-25"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Calgary"]},{"key":"dc:type","label":"Dc Type","values":["master thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Biological Sciences"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MSc)"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Calgary"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Paleontology"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["University 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."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.doi","label":"DOI","values":["http://dx.doi.org/10.11575/PRISM/26635"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11023/498"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Evidence for sexual dimorphism was investigated in the horncores of two ceratopsid dinosaurs, Triceratops and Centrosaurus apertus. A review of studies of sexual dimorphism in the vertebrate fossil record revealed methods that were selected for use in ceratopsids. Mountain goats, bison, and pronghorn were selected as exemplar taxa for a proof of principle study that tested the selected methods, and informed and guided the investigation of sexual dimorphism in dinosaurs. Skulls of these exemplar taxa were measured in museum collections, and methods of analysing morphological variation were tested for their ability to demonstrate sexual dimorphism in their horns and horncores. Skulls and isolated horncores of Triceratops and Centrosaurus were measured in museum collections, and analysed with the methods applied to the exemplar taxa. Considerable morphological variation was found in both species, and was suggestive of dimorphism in Centrosaurus, but was deemed not to be attributable to sexual dimorphism."]},{"key":"dc:title","label":"Title","values":["Investigating Sexual Dimorphism in Ceratopsid Horncores"]}]}],"canonical_facts":{"dc:contributor.advisor":["Russell, Anthony"],"dc:creator":["Borkovic, Benjamin"],"dc:date.accessioned":["2013-01-25T22:27:48Z"],"dc:date.available":["2013-06-15T07:01:47Z"],"dc:date.issued":["2013-01-25"],"dc:description.abstract":["Evidence for sexual dimorphism was investigated in the horncores of two ceratopsid dinosaurs, Triceratops and Centrosaurus apertus. A review of studies of sexual dimorphism in the vertebrate fossil record revealed methods that were selected for use in ceratopsids. Mountain goats, bison, and pronghorn were selected as exemplar taxa for a proof of principle study that tested the selected methods, and informed and guided the investigation of sexual dimorphism in dinosaurs. Skulls of these exemplar taxa were measured in museum collections, and methods of analysing morphological variation were tested for their ability to demonstrate sexual dimorphism in their horns and horncores. Skulls and isolated horncores of Triceratops and Centrosaurus were measured in museum collections, and analysed with the methods applied to the exemplar taxa. Considerable morphological variation was found in both species, and was suggestive of dimorphism in Centrosaurus, but was deemed not to be attributable to sexual dimorphism."],"dc:identifier.doi":["http://dx.doi.org/10.11575/PRISM/26635"],"dc:identifier.uri":["http://hdl.handle.net/11023/498"],"dc:language.iso":["eng"],"dc:publisher.institution":["University of Calgary"],"dc:rights":["University 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:subject":["Paleontology"],"dc:title":["Investigating Sexual Dimorphism in Ceratopsid Horncores"],"dc:type":["master thesis"],"thesis:degree_discipline":["Biological Sciences"],"thesis:degree_name":["Master of Science (MSc)"],"thesis:institution_name":["University of Calgary"]},"updated_at":"2026-07-24T01:30:33Z"}