Taxonomic status of the reptile genus Procolophon from the Gondwanan Triassic

Show simple item record Cisneros, Juan Carlos 2014-02-18T07:36:49Z 2014-02-18T07:36:49Z 2008-04
dc.identifier.issn 0078-8554
dc.identifier.uri http://hdl.handle.net10539/13805
dc.description.abstract The specific composition of the genus Procolophon in Brazil, South Africa and Antarctica is discussed in the light of new data. It is found that P. pricei and P. brasiliensis, two species described from Brazil, fit within the pattern of ontogenetic variation of the type species P. trigoniceps, and they are here considered junior synonyms. The South African species P. laticeps, characterized by the presence of a temporal fenestra, is no longer considered valid. The peculiar temporal openings of this species are regarded here as an anomalous condition without taxonomic significance. The only complete skull known from Antarctica shows a unique feature consisting of an elliptical depression in the palate. The interpretation of this structure is ambiguous because it may also be attributable to individual variation, and this specimen is provisionally kept within P. trigoniceps. Therefore, only the type species, P. trigoniceps, is recognized in Gondwana. This species occupies a wide geographic range, from the Paraná Basin to the Transantarctic Mountains. en_ZA
dc.language.iso en en_ZA
dc.publisher Bernard Price Institute for Palaeontological Research, University of the Witwatersrand en_ZA
dc.subject Procolophonidae en_ZA
dc.subject Procolophon en_ZA
dc.subject temporal fenestrae en_ZA
dc.subject Triassic en_ZA
dc.subject Gondwana en_ZA
dc.title Taxonomic status of the reptile genus Procolophon from the Gondwanan Triassic en_ZA
dc.type Article en_ZA

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