Tecnología ósea en Myocastor coypus: análisis del registro recuperado en los sitios Cerro Aguará y Barrancas del Paranacito (provincia de Santa Fe, Argentina)

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Fecha
10/2025
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Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Estudios Históricos "Prof. Carlos S. A. Segreti"
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Comechingonia
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2250-7728
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Si bien a lo largo de la llanura aluvial del Paraná medio se ha registrado una importante variedad de artefactos óseos, y en particular diversidad de “puntas”, las definidas como “semiacanaladas ahuecadas”, son de las más frecuentes en la región. Las mismas fueron confeccionadas sobre diferentes taxa utilizando distintas unidades anatómicas como soporte, lo cual genera cierta variabilidad morfológica dentro de este mismo grupo. El objetivo de este trabajo es presentar el análisis de las evidencias de tecnología ósea en huesos de Myocastor coypus recuperadas en los sitios Cerro Aguará y Barrancas del Paranacito (Depto. Gral. Obligado, Prov. de Santa Fe). A su vez, se evalúa su frecuencia en los sitios arqueológicos del humedal del Paraná medio y su relación con los contextos Goya Malabrigo, debido a que, diversos autores consideran a las llamadas “lengüeta de pájaro” (puntas elaboradas en tibias de coipo) fundamentalmente características de estos contextos. Los resultados permitieron identificar puntas semiacanaladas ahuecadas confeccionadas en tibia y fémur de M. coypus, así como desechos que representan diferentes etapas de la cadena operativa involucradas en su producción, y observar particularidades en el modo de hacer. Esto refleja el conocimiento y habilidad para la utilización de los huesos de este roedor como materia prima para la confección de tecnología por parte de los grupos humanos que habitaron los sitios en el pasado.
Although a significant variety of bone artifacts have been recorded along the Middle Paraná floodplain, and in particular a variety of “points,” those defined as “hollowed semi-channeled” are among the most common in the region. These were made from different taxa using different anatomical units as supports, which generate a certain morphological variability within this group. The aim of this work is to present an analysis of evidence of bone technology in Myocastor coypus bones recovered from the Cerro Aguará and Barrancas del Paranacito sites (Department of General Obligado, Province of Santa Fe). In turn, their frequency at the archaeological sites of the Middle Paraná wetland and their relationship with the Goya-Malabrigo contexts are evaluated, given that several authors consider the so-called “bird tongue” (points made from coypu tibias) to be fundamentally characteristic of these contexts. The results allowed us to identify hollowed, semi- channeled points made from the tibia and femur of M. coypus, as well as waste representing different stages of the production chain, and to observe specific features in the manufacturing process. This reflects the knowledge and skill in using the bones of this rodent as raw material for technology by the human groups who inhabited the sites in the past.
Although a significant variety of bone artifacts have been recorded along the Middle Paraná floodplain, and in particular a variety of “points,” those defined as “hollowed semi-channeled” are among the most common in the region. These were made from different taxa using different anatomical units as supports, which generate a certain morphological variability within this group. The aim of this work is to present an analysis of evidence of bone technology in Myocastor coypus bones recovered from the Cerro Aguará and Barrancas del Paranacito sites (Department of General Obligado, Province of Santa Fe). In turn, their frequency at the archaeological sites of the Middle Paraná wetland and their relationship with the Goya-Malabrigo contexts are evaluated, given that several authors consider the so-called “bird tongue” (points made from coypu tibias) to be fundamentally characteristic of these contexts. The results allowed us to identify hollowed, semi- channeled points made from the tibia and femur of M. coypus, as well as waste representing different stages of the production chain, and to observe specific features in the manufacturing process. This reflects the knowledge and skill in using the bones of this rodent as raw material for technology by the human groups who inhabited the sites in the past.
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