2015
DOI: 10.2110/palo.2014.034
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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

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 overal… Show more

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Cited by 8 publications
(4 citation statements)
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References 38 publications
(32 reference statements)
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“…Specifically, the freshwater malacofauna of the region is characterized by low taxonomic diversity (richness vary between 1 and 11) and is dominated by epifaunal gastropods, mainly Heleobia parchappii and Biomphalaria peregrina. Most of the species represented in the area display a wide range of ecological tolerance, i.e., most species are found in different kinds of water bodies (for details see de Francesco, 2010, 2012), and have been widely used for paleoecological and paleoenvironmetal reconstruction of the area (Prieto et al, 2004;de Francesco et al, 2013;Steffan et al, 2014;Pisano et al, 2015;as examples). However, the fossil record formation depends not only on ecological processes that affect life assemblages but also on taphonomic processes which modify death assemblages during and after their deposition (Beherensmeyer et al, 2000).…”
mentioning
confidence: 99%
“…Specifically, the freshwater malacofauna of the region is characterized by low taxonomic diversity (richness vary between 1 and 11) and is dominated by epifaunal gastropods, mainly Heleobia parchappii and Biomphalaria peregrina. Most of the species represented in the area display a wide range of ecological tolerance, i.e., most species are found in different kinds of water bodies (for details see de Francesco, 2010, 2012), and have been widely used for paleoecological and paleoenvironmetal reconstruction of the area (Prieto et al, 2004;de Francesco et al, 2013;Steffan et al, 2014;Pisano et al, 2015;as examples). However, the fossil record formation depends not only on ecological processes that affect life assemblages but also on taphonomic processes which modify death assemblages during and after their deposition (Beherensmeyer et al, 2000).…”
mentioning
confidence: 99%
“…Sin embargo, a diferencia de Best (2008), Ritter et al (2013) utilizaron diferentes categorías para cuantificar este atributo. Algo similar ocurrió para este mismo atributo en el estudio de Pisano et al (2015): las categorías utilizadas fueron diferentes de las de Best (2008) y también de las de Ritter et al (2013). Este ejemplo ilustra claramente la forma en que la comparabilidad se ve reducida debido a una variación en la metodología empleada, aún en trabajos con objetivos similares.…”
Section: A B Cunclassified
“…La bioerosión, por ser binaria, no fue posible representarla en un tafograma, lo que confiere una desventaja en relación al nMDS. En síntesis, si todos los atributos fueran definidos a priori de manera ternaria, como en Pisano et al (2015), el tafograma resulta un método rápido y eficaz de representación. En otros casos, el nMDS es considerado un mejor método para representar estas variaciones y más fidedigno porque, además de brindar una visualización rápida de los patrones, preserva la distancia entre las variables (Tyler & Kowalewski, 2014).…”
Section: Replicabilidadunclassified
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