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dc.contributor.author
Aceñolaza, Guillermo Federico  
dc.date.available
2020-03-13T15:01:29Z  
dc.date.issued
2005-04  
dc.identifier.citation
Aceñolaza, Guillermo Federico; Spirodesmos milanai n. isp.: A shallow-water spiral trace fossil from the Cambrian of the Eastern Cordillera, northwest Argentina; Taylor & Francis; Ichnos; 12; 1; 4-2005; 59-63  
dc.identifier.issn
1042-0940  
dc.identifier.uri
http://hdl.handle.net/11336/99470  
dc.description.abstract
A new ichnofossiliferous locality in Salta Province (northwest Argentina) contains an association with numerous irregular spiral traces assigned to Spirodesmos milanai n. isp., in mature sandstones and quartzites with rippled bedding surfaces, rare wavy lamination and cross-bedded stratification. This record of early spiral behavior is interpreted as a primitive grazing method formed on muddy laminae above sand layers, and is related to a feeding strategy of an annelid-type of organism. Associated traces are Cruziana cf. semiplicata, Diplocraterion isp., Monocraterion isp., Rusophycus isp., Skolithos linearis Haldeman and Skolithos magnus Howell. The ichnoassemblage is similar to a shallow-water ichnoassociation from the Permian Ecca Group of South Africa (Mason et al., 1983. Copyright © Taylor & Francis Inc.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Taylor & Francis  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
CAMBRIAN  
dc.subject
NORTHWEST ARGENTINA  
dc.subject
SHALLOW-WATER  
dc.subject
SPIRAL TRACE FOSSIL  
dc.subject.classification
Otras Ciencias Naturales y Exactas  
dc.subject.classification
Otras Ciencias Naturales y Exactas  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
Spirodesmos milanai n. isp.: A shallow-water spiral trace fossil from the Cambrian of the Eastern Cordillera, northwest 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
2020-03-11T18:36:13Z  
dc.journal.volume
12  
dc.journal.number
1  
dc.journal.pagination
59-63  
dc.journal.pais
Estados Unidos  
dc.journal.ciudad
Londres  
dc.description.fil
Fil: Aceñolaza, Guillermo Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto Superior de Correlación Geológica. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Departamento de Geología. Cátedra Geología Estructural. Instituto Superior de Correlación Geológica; Argentina. Universidad Nacional de Tucumán; Argentina  
dc.journal.title
Ichnos  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/pdf/10.1080/10420940590914561  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1080/10420940590914561  

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