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Mastozoología neotropical
versión impresa ISSN 0327-9383
Resumen
KAUFMANN, Cristian A; ALVAREZ, María C; L'HEUREUX, Lorena G y GUTIERREZ, María A. Dimorfismo sexual en la pelvis de Lama guanicoe (Artiodactyla, Camelidae): un caso de aplicación en el sitio Paso Otero 1, Buenos Aires, Argentina. Mastozool. neotrop. [online]. 2013, vol.20, n.1, pp.47-59. ISSN 0327-9383.
The assessment of sexual structure of fossil assemblages provide valuable information for the discussion of paleodemographic aspects and hunting strategies employed by prehistoric human groups. The aim of this study is to evaluate the sexual structure of the skeletal remains of guanaco (Lama guanicoe) recovered from the site Paso Otero 1, which is located in the Paso Otero archaeological locality (Necochea District, Buenos Aires Province). The methodology is based on previous studies conducted on a modern population of guanacos from Río Negro province. These results showed that the major osteological differences related to sexual dimorphism in postcranial skeleton correspond to variations in the size and shape of the entire pelvis and especially of the acetabulum. The fossil assemblage of Paso Otero 1 was analyzed by integrating this methodology with qualitative variables observed in the pelvis. This approach allowed to incorporate a greater number of specimens to the analysis and the results indicate that unlike what was previously known, the sexual structure of the assemblage is dominated by females.
Palabras clave : Innominate; Lama guanicoe.