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dc.contributor.author
Martínez, Sergio  
dc.contributor.author
del Río, Claudia Julia  
dc.contributor.author
Concheyro, Graciela  
dc.date.available
2019-01-23T20:51:20Z  
dc.date.issued
2011-08  
dc.identifier.citation
Martínez, Sergio; del Río, Claudia Julia; Concheyro, Graciela; Danian (Early Paleocene) echinoids from the Roca Formation, northern Patagonia, Argentina; E Schweizerbartsche Verlags; Neues Jahrbuch für Geologie und Palaontologie-abhandlungen; 261; 2; 8-2011; 165-176  
dc.identifier.issn
0077-7749  
dc.identifier.uri
http://hdl.handle.net/11336/68483  
dc.description.abstract
Stratigraphically well-constrained echinoids from the Roca Formation in the province of Rio Negro (Patagonia, Argentina) are analysed in detail. The poorly known Linthia? joannisboehmi OPPENHEIM in BÖHM, 1903, recently reassigned to Paraster, is demonstrated to comprise in fact two distinct species, Linthia? joannisboehmi and Linthia parmae n. sp. In addition, specifically indeterminate species of Plesiaster and Hemiaster and a basal holasteroid are recorded. The analyses of calcareous nannofossil assemblages of the echinoid-bearing strata document their early Paleocene (Danian) age, which has an impact on patterns of survivorship across the K/Pg boundary.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
E Schweizerbartsche Verlags  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Argentina  
dc.subject
Danian  
dc.subject
Echinoidea  
dc.subject
New Species  
dc.subject
Patagonia  
dc.subject
Roca Formation  
dc.subject.classification
Paleontología  
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Ciencias de la Tierra y relacionadas con el Medio Ambiente  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
Danian (Early Paleocene) echinoids from the Roca Formation, northern Patagonia, 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
2019-01-23T17:03:54Z  
dc.journal.volume
261  
dc.journal.number
2  
dc.journal.pagination
165-176  
dc.journal.pais
Alemania  
dc.journal.ciudad
Stuttgart  
dc.description.fil
Fil: Martínez, Sergio. Universidad de la República. Facultad de Ciencias; Uruguay  
dc.description.fil
Fil: del Río, Claudia Julia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; Argentina  
dc.description.fil
Fil: Concheyro, Graciela. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.journal.title
Neues Jahrbuch für Geologie und Palaontologie-abhandlungen  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1127/0077-7749/2011/0156  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.ingentaconnect.com/content/schweiz/njbgeol/2011/00000261/00000002/art00003