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dc.contributor.author
Van den Brandt, Marc Johan
dc.contributor.author
Benoit, Julien
dc.contributor.author
Abdala, Nestor Fernando
dc.contributor.author
Rubidge, Bruce
dc.date.available
2021-12-09T13:01:06Z
dc.date.issued
2021-05
dc.identifier.citation
Van den Brandt, Marc Johan; Benoit, Julien; Abdala, Nestor Fernando; Rubidge, Bruce; Postcranial morphology of the South African middle Permian pareiasaurs from the Karoo Basin of South Africa; Wits University; Palaeontologia Africana; 55; 5-2021; 1-91
dc.identifier.uri
http://hdl.handle.net/11336/148469
dc.description.abstract
Pareiasaurs were relatively abundant and globally distributed herbivorous parareptiles of the middle to late Permian. The basal-most pareiasaurs, the Bradysauria, are restricted to the middle Permian of South Africa and went extinct at the end of the Guadalupian (Capitanian) at the top of the Tapinocephalus Assemblage Zone. Currently, three genera are recognized in this group: Bradysaurus, Embrithosaurus and Nochelesaurus, but their postcrania are poorly known, and consequently poorly understood. In this paper, our third contribution designed to improve understanding of the Bradysauria, we present a detailed comparative postcranial description and updated diagnoses for Bradysaurus baini, Embrithosaurus schwarzi and Nochelesaurus alexanderi. Bradysaurus baini has one postcranial<br />autapomorphy: anterior dorsal osteoderms smooth and strongly convex, with an incipient central boss, and very light ornamentation. Three pelvic autopomorphies of Embrithosaurus schwarzi are confirmed: anterior portion of the iliac blades flat and vertical (not everted<br />or upturned); iIiac blades diverge anteriorly, oriented at 45?60° off the sagittal plane; and a very thick pelvic symphysis. For Nochelesaurus alexanderi we remove all three of the postcranial autapomorphies previously proposed. To the diagnoses of each species, we have added several new distinguishing postcranial features, within the local group of middle Permian pareiasaurs. The results reinforce our previous cranial studies concluding that three valid species of pareiasaurs are represented in the South African middle Permian.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wits University
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CAPITANIAN
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GUADALUPIAN
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PAREIASAURIA
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PARAREPTILIA
dc.subject.classification
Paleontología
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Postcranial morphology of the South African middle Permian pareiasaurs from the Karoo Basin of South Africa
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-12-03T20:13:46Z
dc.identifier.eissn
2410-4418
dc.journal.volume
55
dc.journal.pagination
1-91
dc.journal.pais
Sudáfrica
dc.journal.ciudad
Johannesburg
dc.description.fil
Fil: Van den Brandt, Marc Johan. Evolutionary Studies Institute; Sudáfrica
dc.description.fil
Fil: Benoit, Julien. Evolutionary Studies Institute; Sudáfrica
dc.description.fil
Fil: Abdala, Nestor Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Tucumán. Unidad Ejecutora Lillo; Argentina
dc.description.fil
Fil: Rubidge, Bruce. Evolutionary Studies Institute; Sudáfrica
dc.journal.title
Palaeontologia Africana
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://wiredspace.wits.ac.za/handle/10539/31290
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