Permian brachiopods from the Tupe formation, San Juan Province, Precordillera, Argentina

Cisterna, Gabriela A., Simanauskas, Tristan and Archbold, Neil W. 2002, Permian brachiopods from the Tupe formation, San Juan Province, Precordillera, Argentina, Alcheringa, vol. 26, no. 1, pp. 177-200, doi: 10.1080/03115510208619251.

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Title Permian brachiopods from the Tupe formation, San Juan Province, Precordillera, Argentina
Author(s) Cisterna, Gabriela A.
Simanauskas, Tristan
Archbold, Neil W.
Journal name Alcheringa
Volume number 26
Issue number 1
Start page 177
End page 200
Publisher Geological Society of Australia Inc.
Place of publication Australia
Publication date 2002
ISSN 0311-5518
Keyword(s) Brachiopods
Early permian
Systematic palaeontology
Paganzo Basin
Summary The brachiopod fauna from the Tupe Formation at La Herradura Creek, located on the west flank of Perico Hill, San Juan Province, Argentina, palaeogeographically belongs to the western sector of the Paganzo basin ('Guandacol embayment'). The stratigraphical section of the Tupe Formation at La Herradura Creek is the stratotype of the Tivertonia jachalensis-Streptorhynchus inaequiornatus biozone, was previously regarded as being of Late Carboniferous age but here is assigned to the earliest Permian (Asselian). We describe and review the biozone assemblage, which consists of Streptorhynchus inaequiornatus, Tivertonia jachalensis, Kochiproductus sp., Costatumulus sp., Coronalosia argentinensis, Tupelosia paganzoensis, Trigonotreta pericoensis, Septosyringothyris sp. aff. Septosyringothyris jaguelensis and Crurithyris? sp. This brachiopod assemblage is related to Indian and Australian Early Permian faunas and its presence in the La Herradura Creek section provides new evidence in support of an Asselian (Early Permian) age for the Tivertonia jachalensis-Streptorhynchus inaequiornatus biozone. This assemblage is also important for intra- and inter-basinal correlation because several of its characteristic species have been identified from other sections of the Paganzo basin and the Riacuteo Blanco basin. The proposed age for this biozone is consistent with the age of palynological data from slightly above the marine faunas from the stratotype locality.
Language eng
DOI 10.1080/03115510208619251
Field of Research 040308 Palaeontology (incl Palynology)
HERDC Research category C1 Refereed article in a scholarly journal
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