Dicynodonts and the end Permian event

dc.contributor.authorKing, Gilian M
dc.date1990
dc.date.accessioned2015-01-05T13:41:18Z
dc.date.available2015-01-05T13:41:18Z
dc.date.issued1990
dc.description.abstractPatterns of diversity changes in several groups of Late Permian South African terrestrial tetrapods are examined. Using data contained in Kitching (1977), histograms are presented which illustrate changes in a) total number of tetrapod genera per biostratigraphic zone; b) total number of therapsid genera per zone; c) total number of herbivore genera per zone; and d) total number of carnivore genera per zone. Herbivorous and carnivorous genera are categorized as comprising small, medium or large individuals and histograms which document changes in number of genera in each of these six categories per zone are presented. Potential sources of error inherent in the data are outlined. Broad changes in generic diversity are noted and possible explanations for these changes are presented. It is concluded that the present data do not provide overwhelming evidence for a rapid and catastrophic drop in terrestrial tetrapod diversity at the very end of the Permian, but do illustrate a gradual and continuing decrease from the middle of the Late Permian into the middle of the Triassic.en_ZA
dc.description.sponsorshipRoyal Societyen_ZA
dc.identifier.issn0078-8554
dc.identifier.urihttp://hdl.handle.net/10539/16149
dc.languageEnglish
dc.language.isoenen_ZA
dc.publisherBernard Price Institute for Palaeontological Researchen_ZA
dc.subjectdiversityen_ZA
dc.subjectextinctionen_ZA
dc.subjectPermo-Triassicen_ZA
dc.titleDicynodonts and the end Permian eventen_ZA
dc.typeArticleen_ZA
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