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dc.contributor.author
Nestell, Galina P.
dc.contributor.author
Mestre, Ana Paula
dc.contributor.author
Heredia, Susana Emma
dc.date.available
2022-05-26T13:33:34Z
dc.date.issued
2009-12
dc.identifier.citation
Nestell, Galina P.; Mestre, Ana Paula; Heredia, Susana Emma; First Ordovician Foraminifera from South America: A Darriwilian (Middle Ordovician) fauna from the San Juan Formation, Argentina; Micropaleontology Press; Micropaleontology; 55; 4; 12-2009; 329-344
dc.identifier.issn
0026-2803
dc.identifier.uri
http://hdl.handle.net/11336/158227
dc.description.abstract
The first Ordovician foraminifers in South America are described from Middle Ordovician (Darriwilian)strata of the upper part of the San Juan Formation, Argentina. The foraminifers are found together with conodonts of the Eoplacognathus pseudoplanus /Dzikodus tablepointensis Zone that enhances the stratigraphic significance of the foraminifers. The assemblage of foraminifers described includes the agglutinated genera Lakites, Amphitremoida, Lavella, Ordovicina and Pelosina. The distribution of the genera Lakites and Lavella, previously known only from the Lower Ordovician, Floian (Tetragraptus phyllograptoides graptolite Zone), now can be extended up into the Middle Ordovician (Darriwilian). The find of representatives of the xenophyophorean genus Pelosina extends the first appearance of this genus down into the Middle Ordovician.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Micropaleontology Press
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
FORAMINIFERS
dc.subject
ORDOVICIAN
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SOUTH AMERICA
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CONODONTS
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Geología
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
First Ordovician Foraminifera from South America: A Darriwilian (Middle Ordovician) fauna from the San Juan Formation, Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-05-20T14:03:50Z
dc.journal.volume
55
dc.journal.number
4
dc.journal.pagination
329-344
dc.journal.pais
Estados Unidos
dc.journal.ciudad
New York
dc.description.fil
Fil: Nestell, Galina P.. University of Texas; Estados Unidos. St. Petersburg State University. Faculty of Geology; Rusia
dc.description.fil
Fil: Mestre, Ana Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Investigaciones Mineras; Argentina
dc.description.fil
Fil: Heredia, Susana Emma. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Investigaciones Mineras; Argentina
dc.journal.title
Micropaleontology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.micropress.org/microaccess/check/1631
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