Protovirgularia dichotoma-protovirgularia rugosa: An example of a compound trace fossil from the lower cretaceous (Agrio formation) of the Neuquén basin, Argentina

This study focuses on the description of a compound trace fossil from the Cretaceous of the Neuquén Basin, Argentina. This structure comprises two discrete ichnotaxa: Protovirgularia cf. dichotoma M'Coy, 1850, and Protovirgularia cf. rugosa (Miller and Dyer, 1878). Open nomenclature is chosen d...

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Autores principales: Fernández, D.E., Pazos, P.J., Aguirre-Urreta, M.B.
Formato: JOUR
Materias:
Agrio formation
Argentina
Compound trace fossil
Cretaceous
Ichnology
Lockeia
Neuquén basin
Protovirgularia
bivalve
ichnology
nomenclature
paleoenvironment
taxonomy
trace fossil
Neuquen Basin
Bivalvia
Protovirgularia dichotoma
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_10420940_v17_n1_p40_Fernandez
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_10420940_v17_n1_p40_Fernandez
record_format dspace
spelling todo:paper_10420940_v17_n1_p40_Fernandez2023-10-03T15:58:09Z Protovirgularia dichotoma-protovirgularia rugosa: An example of a compound trace fossil from the lower cretaceous (Agrio formation) of the Neuquén basin, Argentina Fernández, D.E. Pazos, P.J. Aguirre-Urreta, M.B. Agrio formation Argentina Compound trace fossil Cretaceous Ichnology Lockeia Neuquén basin Protovirgularia bivalve Cretaceous ichnology nomenclature paleoenvironment taxonomy trace fossil Argentina Neuquen Basin Bivalvia Lockeia Protovirgularia dichotoma This study focuses on the description of a compound trace fossil from the Cretaceous of the Neuquén Basin, Argentina. This structure comprises two discrete ichnotaxa: Protovirgularia cf. dichotoma M'Coy, 1850, and Protovirgularia cf. rugosa (Miller and Dyer, 1878). Open nomenclature is chosen due to some differences from the ichnospecies diagnoses. The compound trace as a whole is the product of locomotion and resting behaviors (repichnia and cubichnia); this is not questioned but discussed. The inferred producer is a deposit-feeding palaeotaxodont bivalve, which belongs to a taxonomic group almost unknown and not yet reported in the Neuquén Basin. The sample was taken from rocks interpreted as being deposited in a tide-influenced,marginalmarine setting, corresponding to the uppermost section of the Agrio Formation. This also represents one of the first cases of a compound trace fossil described for the Neuquén Basin. © Taylor & Francis Group, LLC. Fil:Fernández, D.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Pazos, P.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Aguirre-Urreta, M.B. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_10420940_v17_n1_p40_Fernandez
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Agrio formation
Argentina
Compound trace fossil
Cretaceous
Ichnology
Lockeia
Neuquén basin
Protovirgularia
bivalve
Cretaceous
ichnology
nomenclature
paleoenvironment
taxonomy
trace fossil
Argentina
Neuquen Basin
Bivalvia
Lockeia
Protovirgularia dichotoma
spellingShingle Agrio formation
Argentina
Compound trace fossil
Cretaceous
Ichnology
Lockeia
Neuquén basin
Protovirgularia
bivalve
Cretaceous
ichnology
nomenclature
paleoenvironment
taxonomy
trace fossil
Argentina
Neuquen Basin
Bivalvia
Lockeia
Protovirgularia dichotoma
Fernández, D.E.
Pazos, P.J.
Aguirre-Urreta, M.B.
Protovirgularia dichotoma-protovirgularia rugosa: An example of a compound trace fossil from the lower cretaceous (Agrio formation) of the Neuquén basin, Argentina
topic_facet Agrio formation
Argentina
Compound trace fossil
Cretaceous
Ichnology
Lockeia
Neuquén basin
Protovirgularia
bivalve
Cretaceous
ichnology
nomenclature
paleoenvironment
taxonomy
trace fossil
Argentina
Neuquen Basin
Bivalvia
Lockeia
Protovirgularia dichotoma
description This study focuses on the description of a compound trace fossil from the Cretaceous of the Neuquén Basin, Argentina. This structure comprises two discrete ichnotaxa: Protovirgularia cf. dichotoma M'Coy, 1850, and Protovirgularia cf. rugosa (Miller and Dyer, 1878). Open nomenclature is chosen due to some differences from the ichnospecies diagnoses. The compound trace as a whole is the product of locomotion and resting behaviors (repichnia and cubichnia); this is not questioned but discussed. The inferred producer is a deposit-feeding palaeotaxodont bivalve, which belongs to a taxonomic group almost unknown and not yet reported in the Neuquén Basin. The sample was taken from rocks interpreted as being deposited in a tide-influenced,marginalmarine setting, corresponding to the uppermost section of the Agrio Formation. This also represents one of the first cases of a compound trace fossil described for the Neuquén Basin. © Taylor & Francis Group, LLC.
format JOUR
author Fernández, D.E.
Pazos, P.J.
Aguirre-Urreta, M.B.
author_facet Fernández, D.E.
Pazos, P.J.
Aguirre-Urreta, M.B.
author_sort Fernández, D.E.
title Protovirgularia dichotoma-protovirgularia rugosa: An example of a compound trace fossil from the lower cretaceous (Agrio formation) of the Neuquén basin, Argentina
title_short Protovirgularia dichotoma-protovirgularia rugosa: An example of a compound trace fossil from the lower cretaceous (Agrio formation) of the Neuquén basin, Argentina
title_full Protovirgularia dichotoma-protovirgularia rugosa: An example of a compound trace fossil from the lower cretaceous (Agrio formation) of the Neuquén basin, Argentina
title_fullStr Protovirgularia dichotoma-protovirgularia rugosa: An example of a compound trace fossil from the lower cretaceous (Agrio formation) of the Neuquén basin, Argentina
title_full_unstemmed Protovirgularia dichotoma-protovirgularia rugosa: An example of a compound trace fossil from the lower cretaceous (Agrio formation) of the Neuquén basin, Argentina
title_sort protovirgularia dichotoma-protovirgularia rugosa: an example of a compound trace fossil from the lower cretaceous (agrio formation) of the neuquén basin, argentina
url http://hdl.handle.net/20.500.12110/paper_10420940_v17_n1_p40_Fernandez
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AT pazospj protovirgulariadichotomaprotovirgulariarugosaanexampleofacompoundtracefossilfromthelowercretaceousagrioformationoftheneuquenbasinargentina
AT aguirreurretamb protovirgulariadichotomaprotovirgulariarugosaanexampleofacompoundtracefossilfromthelowercretaceousagrioformationoftheneuquenbasinargentina
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