Crustacean microcoprolites from the Upper Jurassic-lower cretaceous of the Neuqun Basin, Argentina: Systematics and biostratigraphic implications

Autores
Kietzmann, D.A.; Blau, J.; Fernández, D.E.; Palma, R.M.
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
As a result of a microfacial study in the outer and middle ramp deposits of the Vaca Muerta Formation (lower Tithonian-upper Valanginian), four ichnotaxa of crustacean microcoprolites are described: Palaxius azulensis Kietzmann isp. nov., Palaxius caracuraensis Kietzmann isp. nov., Helicerina? isp. A. aff. Helicerina siciliana and Helicerina isp. B. They represent one of the first records of crustacean microcoprolites for the Neuqun Basin and Argentina. Helicerina is reported for the first time from the Upper Jurassic and Lower Cretaceous of South America. It is inferred that Palaxius ichnospecies were produced by callianassids, while Helicerina ichnospecies could be produced by decapods of Mecochiridae, Erymidae, and/or Nephropidae affinity. Two assemblages of crustacean microcoprolites are recognised, a middle Tithonian to lower Berriasian Palaxius-dominated assemblage and an early to late Valanginian Helicerina-dominated assemblage.
Fil:Kietzmann, D.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
Fil:Fernández, D.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
Fil:Palma, R.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
Fuente
Acta Palaeontol. Pol. 2010;55(2):277-284
Materia
Argentina
Crustacean microcoprolites
Helicerina
Jurassic-Cretaceous
Neuquén Basin
Palaxius
Vaca Muerta Formation
biostratigraphy
coprolite
crustacean
dominance
fossil assemblage
Jurassic-Cretaceous boundary
new record
taxonomy
Argentina
Neuquen Basin
Callianassidae
Crustacea
Erymidae
Mecochiridae
Nephropidae
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/2.5/ar
Repositorio
Biblioteca Digital (UBA-FCEN)
Institución
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
OAI Identificador
paperaa:paper_05677920_v55_n2_p277_Kietzmann

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oai_identifier_str paperaa:paper_05677920_v55_n2_p277_Kietzmann
network_acronym_str BDUBAFCEN
repository_id_str 1896
network_name_str Biblioteca Digital (UBA-FCEN)
spelling Crustacean microcoprolites from the Upper Jurassic-lower cretaceous of the Neuqun Basin, Argentina: Systematics and biostratigraphic implicationsKietzmann, D.A.Blau, J.Fernández, D.E.Palma, R.M.ArgentinaCrustacean microcoprolitesHelicerinaJurassic-CretaceousNeuquén BasinPalaxiusVaca Muerta Formationbiostratigraphycoprolitecrustaceandominancefossil assemblageJurassic-Cretaceous boundarynew recordtaxonomyArgentinaNeuquen BasinCallianassidaeCrustaceaErymidaeMecochiridaeNephropidaeAs a result of a microfacial study in the outer and middle ramp deposits of the Vaca Muerta Formation (lower Tithonian-upper Valanginian), four ichnotaxa of crustacean microcoprolites are described: Palaxius azulensis Kietzmann isp. nov., Palaxius caracuraensis Kietzmann isp. nov., Helicerina? isp. A. aff. Helicerina siciliana and Helicerina isp. B. They represent one of the first records of crustacean microcoprolites for the Neuqun Basin and Argentina. Helicerina is reported for the first time from the Upper Jurassic and Lower Cretaceous of South America. It is inferred that Palaxius ichnospecies were produced by callianassids, while Helicerina ichnospecies could be produced by decapods of Mecochiridae, Erymidae, and/or Nephropidae affinity. Two assemblages of crustacean microcoprolites are recognised, a middle Tithonian to lower Berriasian Palaxius-dominated assemblage and an early to late Valanginian Helicerina-dominated assemblage.Fil:Kietzmann, D.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.Fil:Fernández, D.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.Fil:Palma, R.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.2010info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12110/paper_05677920_v55_n2_p277_KietzmannActa Palaeontol. Pol. 2010;55(2):277-284reponame:Biblioteca Digital (UBA-FCEN)instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesinstacron:UBA-FCENenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/2.5/ar2025-10-16T09:30:01Zpaperaa:paper_05677920_v55_n2_p277_KietzmannInstitucionalhttps://digital.bl.fcen.uba.ar/Universidad públicaNo correspondehttps://digital.bl.fcen.uba.ar/cgi-bin/oaiserver.cgiana@bl.fcen.uba.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:18962025-10-16 09:30:02.84Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesfalse
dc.title.none.fl_str_mv Crustacean microcoprolites from the Upper Jurassic-lower cretaceous of the Neuqun Basin, Argentina: Systematics and biostratigraphic implications
title Crustacean microcoprolites from the Upper Jurassic-lower cretaceous of the Neuqun Basin, Argentina: Systematics and biostratigraphic implications
spellingShingle Crustacean microcoprolites from the Upper Jurassic-lower cretaceous of the Neuqun Basin, Argentina: Systematics and biostratigraphic implications
Kietzmann, D.A.
Argentina
Crustacean microcoprolites
Helicerina
Jurassic-Cretaceous
Neuquén Basin
Palaxius
Vaca Muerta Formation
biostratigraphy
coprolite
crustacean
dominance
fossil assemblage
Jurassic-Cretaceous boundary
new record
taxonomy
Argentina
Neuquen Basin
Callianassidae
Crustacea
Erymidae
Mecochiridae
Nephropidae
title_short Crustacean microcoprolites from the Upper Jurassic-lower cretaceous of the Neuqun Basin, Argentina: Systematics and biostratigraphic implications
title_full Crustacean microcoprolites from the Upper Jurassic-lower cretaceous of the Neuqun Basin, Argentina: Systematics and biostratigraphic implications
title_fullStr Crustacean microcoprolites from the Upper Jurassic-lower cretaceous of the Neuqun Basin, Argentina: Systematics and biostratigraphic implications
title_full_unstemmed Crustacean microcoprolites from the Upper Jurassic-lower cretaceous of the Neuqun Basin, Argentina: Systematics and biostratigraphic implications
title_sort Crustacean microcoprolites from the Upper Jurassic-lower cretaceous of the Neuqun Basin, Argentina: Systematics and biostratigraphic implications
dc.creator.none.fl_str_mv Kietzmann, D.A.
Blau, J.
Fernández, D.E.
Palma, R.M.
author Kietzmann, D.A.
author_facet Kietzmann, D.A.
Blau, J.
Fernández, D.E.
Palma, R.M.
author_role author
author2 Blau, J.
Fernández, D.E.
Palma, R.M.
author2_role author
author
author
dc.subject.none.fl_str_mv Argentina
Crustacean microcoprolites
Helicerina
Jurassic-Cretaceous
Neuquén Basin
Palaxius
Vaca Muerta Formation
biostratigraphy
coprolite
crustacean
dominance
fossil assemblage
Jurassic-Cretaceous boundary
new record
taxonomy
Argentina
Neuquen Basin
Callianassidae
Crustacea
Erymidae
Mecochiridae
Nephropidae
topic Argentina
Crustacean microcoprolites
Helicerina
Jurassic-Cretaceous
Neuquén Basin
Palaxius
Vaca Muerta Formation
biostratigraphy
coprolite
crustacean
dominance
fossil assemblage
Jurassic-Cretaceous boundary
new record
taxonomy
Argentina
Neuquen Basin
Callianassidae
Crustacea
Erymidae
Mecochiridae
Nephropidae
dc.description.none.fl_txt_mv As a result of a microfacial study in the outer and middle ramp deposits of the Vaca Muerta Formation (lower Tithonian-upper Valanginian), four ichnotaxa of crustacean microcoprolites are described: Palaxius azulensis Kietzmann isp. nov., Palaxius caracuraensis Kietzmann isp. nov., Helicerina? isp. A. aff. Helicerina siciliana and Helicerina isp. B. They represent one of the first records of crustacean microcoprolites for the Neuqun Basin and Argentina. Helicerina is reported for the first time from the Upper Jurassic and Lower Cretaceous of South America. It is inferred that Palaxius ichnospecies were produced by callianassids, while Helicerina ichnospecies could be produced by decapods of Mecochiridae, Erymidae, and/or Nephropidae affinity. Two assemblages of crustacean microcoprolites are recognised, a middle Tithonian to lower Berriasian Palaxius-dominated assemblage and an early to late Valanginian Helicerina-dominated assemblage.
Fil:Kietzmann, D.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
Fil:Fernández, D.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
Fil:Palma, R.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
description As a result of a microfacial study in the outer and middle ramp deposits of the Vaca Muerta Formation (lower Tithonian-upper Valanginian), four ichnotaxa of crustacean microcoprolites are described: Palaxius azulensis Kietzmann isp. nov., Palaxius caracuraensis Kietzmann isp. nov., Helicerina? isp. A. aff. Helicerina siciliana and Helicerina isp. B. They represent one of the first records of crustacean microcoprolites for the Neuqun Basin and Argentina. Helicerina is reported for the first time from the Upper Jurassic and Lower Cretaceous of South America. It is inferred that Palaxius ichnospecies were produced by callianassids, while Helicerina ichnospecies could be produced by decapods of Mecochiridae, Erymidae, and/or Nephropidae affinity. Two assemblages of crustacean microcoprolites are recognised, a middle Tithonian to lower Berriasian Palaxius-dominated assemblage and an early to late Valanginian Helicerina-dominated assemblage.
publishDate 2010
dc.date.none.fl_str_mv 2010
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12110/paper_05677920_v55_n2_p277_Kietzmann
url http://hdl.handle.net/20.500.12110/paper_05677920_v55_n2_p277_Kietzmann
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/2.5/ar
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/2.5/ar
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Acta Palaeontol. Pol. 2010;55(2):277-284
reponame:Biblioteca Digital (UBA-FCEN)
instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN
reponame_str Biblioteca Digital (UBA-FCEN)
collection Biblioteca Digital (UBA-FCEN)
instname_str Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron_str UBA-FCEN
institution UBA-FCEN
repository.name.fl_str_mv Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
repository.mail.fl_str_mv ana@bl.fcen.uba.ar
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