{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/6237"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/6237","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"The palaeobiology of the non-mammalian cynodonts deduced from bone microstructure and stable isotopes","abstract":"The biology of six non-mammalian cynodont genera, from basal to more derived forms was examined using bone cross-sectional geometry and histology, as well as isotope analyses. The bone histology of multiple postcrania revealed distinct variations in growth pattern between the genera studied. The bone histology of the basal Procynosuchus indicates that this animal had a slow, cyclical growth strategy and was probably sensitive to enviromental fluctuations. In contrast, the initial growth of more derived Thrinaxodon was rapid and only shows a marked decrease in growth rate with the onset of sexual maturity. The bone histology of the derived Cynognathus indicates rapid, sustained growth, whereas the bones of the contemporary Diademodon reveal a cyclical growth strategy that alternated between rapid growth during the favourable season and slow or arrests of growth during the unfavourable season.","abstract_html":"The biology of six non-mammalian cynodont genera, from basal to more derived forms was examined using bone cross-sectional geometry and histology, as well as isotope analyses. The bone histology of multiple postcrania revealed distinct variations in growth pattern between the genera studied. The bone histology of the basal Procynosuchus indicates that this animal had a slow, cyclical growth strategy and was probably sensitive to enviromental fluctuations. In contrast, the initial growth of more derived Thrinaxodon was rapid and only shows a marked decrease in growth rate with the onset of sexual maturity. The bone histology of the derived Cynognathus indicates rapid, sustained growth, whereas the bones of the contemporary Diademodon reveal a cyclical growth strategy that alternated between rapid growth during the favourable season and slow or arrests of growth during the unfavourable season.","abstract_has_math":false,"creators":["Botha, Jennifer"],"institution":"Department of Biological Sciences","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Chinsamy-Turan, Anusuya"],"committee_chairs":[],"committee_members":[],"year":2002,"date_issued":"2002","date_published":"2002","updated_at":"2026-07-22T22:23:29Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/6237","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Chinsamy-Turan, Anusuya"]},{"key":"dc:creator","label":"Author","values":["Botha, Jennifer"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-08-13T14:15:55Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-08-13T14:15:55Z"]},{"key":"dc:date.issued","label":"Date","values":["2002"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Biological Sciences"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Doctoral Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Doctoral"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["PhD"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/6237"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Bibliography: leaves 201-218."]},{"key":"dc:description.abstract","label":"Abstract","values":["The biology of six non-mammalian cynodont genera, from basal to more derived forms was examined using bone cross-sectional geometry and histology, as well as isotope analyses. The bone histology of multiple postcrania revealed distinct variations in growth pattern between the genera studied. The bone histology of the basal Procynosuchus indicates that this animal had a slow, cyclical growth strategy and was probably sensitive to enviromental fluctuations. In contrast, the initial growth of more derived Thrinaxodon was rapid and only shows a marked decrease in growth rate with the onset of sexual maturity. The bone histology of the derived Cynognathus indicates rapid, sustained growth, whereas the bones of the contemporary Diademodon reveal a cyclical growth strategy that alternated between rapid growth during the favourable season and slow or arrests of growth during the unfavourable season."]},{"key":"dc:title","label":"Title","values":["The palaeobiology of the non-mammalian cynodonts deduced from bone microstructure and stable isotopes"]}]}],"canonical_facts":{"dc:contributor.advisor":["Chinsamy-Turan, Anusuya"],"dc:creator":["Botha, Jennifer"],"dc:date.accessioned":["2014-08-13T14:15:55Z"],"dc:date.available":["2014-08-13T14:15:55Z"],"dc:date.issued":["2002"],"dc:description":["Bibliography: leaves 201-218."],"dc:description.abstract":["The biology of six non-mammalian cynodont genera, from basal to more derived forms was examined using bone cross-sectional geometry and histology, as well as isotope analyses. The bone histology of multiple postcrania revealed distinct variations in growth pattern between the genera studied. The bone histology of the basal Procynosuchus indicates that this animal had a slow, cyclical growth strategy and was probably sensitive to enviromental fluctuations. In contrast, the initial growth of more derived Thrinaxodon was rapid and only shows a marked decrease in growth rate with the onset of sexual maturity. The bone histology of the derived Cynognathus indicates rapid, sustained growth, whereas the bones of the contemporary Diademodon reveal a cyclical growth strategy that alternated between rapid growth during the favourable season and slow or arrests of growth during the unfavourable season."],"dc:identifier.uri":["http://hdl.handle.net/11427/6237"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Biological Sciences"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["The palaeobiology of the non-mammalian cynodonts deduced from bone microstructure and stable isotopes"],"dc:type":["Doctoral Thesis"],"dc:type.qualificationlevel":["Doctoral"],"dc:type.qualificationname":["PhD"]},"updated_at":"2026-07-22T22:23:29Z"}