José Manuel López, Fernando J. Fernández, Claudia I. Montalvo, Horacio Chiavazza, Luciano J. M. De Santis
Results of the taphonomic analysis of small mammal bone accumulations generated by the accipitriforms Geranoaetus melanoleucus and Geranoaetus polyosoma in several areas from Central Western Argentina (Mendoza Province) are presented here. In order to identify the role that these predators had in the formation of zooarchaeological assemblages, the anatomical representation, bone breakage patterns, and degrees of digestive corrosion were evaluated. According to these taphonomic variables, both G. melanoleucus and G. polyosoma may be placed in the Category 4 (heavy) of modification of prey bones. The results presented here were used as an analytical model for the interpretation of the micromammal fossil record from three archaeological sites in Mendoza Province. This comparison suggests that the skeletal remains recovered from one archaeological site are very close to those produced by G. polyosoma. However, accumulations from the other sites had intermediate values between those of G. polyosoma and G. melanoleucus.
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