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CONICET Digital
Article . 2001
License: CC BY NC SA
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Bioturbaciones de Tagelus plebeius (Lightfoot, 1786) (Mollusca: Bivalvia) en un ambiente estuárico holoceno (río Quequén Grande, Buenos Aires, Argentina)

Authors: de Francesco, Claudio German; Zárate, Marcelo Arístides;

Bioturbaciones de Tagelus plebeius (Lightfoot, 1786) (Mollusca: Bivalvia) en un ambiente estuárico holoceno (río Quequén Grande, Buenos Aires, Argentina)

Abstract

Elongated traces´ showing a lower v-shape closed end have been identified in mid Holocene estuarine deposits exposed along the lower reach of the Quequén Grande River Argentina (38"34´35" S and 58"42´45" W) associated with shells in life position of the infaunal bi´al´e Tagelus plebeius (Líghtfoot). These traces, Iocated in a stratigraphic level dated in circa 6,900 years 14 C B.p, were originated by the burrowing activity of T. plebeius based upon the cómparison of their morphological characteristics (width, general shape, colour) with those of T. plebeius and the traces resulting from its burrowing activity at present estuarine environments in the region. The high percentages- of the estuarine gastropod Heleobia aus- tralis (d´Orbigny; found in the sedimentary infilling of the traces, come from the overlying strata´ abundant Heleobia australis remains. The traces are stratigraphically transgressive within a depth interval of up to 80 cm

Fil: Zárate, Marcelo Arístides. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina

Fil: de Francesco, Claudio German. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Geología de Costas y del Cuaternario. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto de Geología de Costas y del Cuaternario; Argentina

Country
Argentina
Keywords

Tagelus Plebeius, https://purl.org/becyt/ford/1.5, Estuarios, Holoceno, https://purl.org/becyt/ford/1, Bioturbaciones

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green