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Taphonomic signatures in concentrations of Heleobia Stimpson, 1865 from Holocene deposits of the Salado River basin, Buenos Aires, Argentina; their utility in paleoenvironmental reconstructions

Maria Florencia Pisano, Claudio German de Francesco and Enrique Eduardo Fucks
Taphonomic signatures in concentrations of Heleobia Stimpson, 1865 from Holocene deposits of the Salado River basin, Buenos Aires, Argentina; their utility in paleoenvironmental reconstructions
Palaios (April 2015) 30 (4): 248-257

Abstract

Assemblages composed of Heleobia parchappii and H. australis constitute the dominant elements in Quaternary deposits of the Pampean Region in the province of Buenos Aires. This study describes and analyzes the degree of preservation of shells of both species recovered from nine Holocene localities in order to describe and quantify taphonomic alterations, evaluate if preservation varied during the Holocene, and assess their utility as paleoenvironmental bioindicators. Heleobia parchappii displayed better overall preservation than H. australis, with little evidence of fragmentation, limited principally to levels with highest densities. On a temporal scale, no significant differences in fragmentation were found, whereas corrasion and luster displayed temporal differences.


ISSN: 0883-1351
Serial Title: Palaios
Serial Volume: 30
Serial Issue: 4
Title: Taphonomic signatures in concentrations of Heleobia Stimpson, 1865 from Holocene deposits of the Salado River basin, Buenos Aires, Argentina; their utility in paleoenvironmental reconstructions
Affiliation: Universidad Nacional de La Plata, Facultad de Ciencias Naturales, La Plata, Argentina
Pages: 248-257
Published: 201504
Text Language: English
Publisher: Society for Sedimentary Geology, Tulsa, OK, United States
References: 47
Accession Number: 2015-052228
Categories: Invertebrate paleontology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 3 tables, sketch map
S36°00'00" - S35°30'00", W59°00'00" - W57°00'00"
Secondary Affiliation: Universidad Nacional de Mar del Plata, ARG, Argentina
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States. Reference includes data supplied by SEPM (Society for Sedimentary Geology), Tulsa, OK, United States
Update Code: 201524
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