View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by El Servicio de Difusión de la Creación Intelectual Soibelzon et al.: Análisis faunístico de vertebrados deRev. las Mus. toscas Argentino del Río de Cienc. La Plata Nat., n.s.291 10(2): 291-308, 2008 Buenos Aires, ISSN 1514-5158 Análisis faunístico de vertebrados de las toscas del Río de La Plata (Buenos Aires, Argentina): un yacimiento paleontológico en desaparición E. SOIBELZON1, G. M. GASPARINI1, A. E. ZURITA2 & L. H. SOIBELZON1 1Departamento Científico de Paleontología de Vertebrados, Museo de La Plata, Facultad de Ciencias Naturales y Museo, UNLP. Paseo del Bosque s/n, 1900 La Plata. Argentina. CONICET.
[email protected]. 2 Centro de Ecología Aplicada del Litoral (CECOAL-CONICET) y Universidad Nacional del Nordeste, Corrientes, Argentina Abstract: Faunistic analisys of vertebrates from las toscas del Río de La Plata (Buenos Aires, Argentina): a palaeontological site in disappearance. At the coast of the río de la Plata in the Buenos Aires city lies a classic paleontological site, known as toscas del Río de La Plata or simple as las toscas. It has been studied for over 120 years and, although it has been widely spread, today is only possible to observe it during low tide. For this reason, most of the available materials are those collected during the first half of the XXth century, and that so far have only been incorporated into scarce taxonomic reviews. Among the fossils collected in las toscas highlights Glyptodon munizi Ameghino, Neosclerocalyptus pseudornatus Ameghino, Mesotherium cristatum Serrés, Arctotherium angustidens Gervais y Ameghino and Theriodictis platensis (Mercerat); all are exclusive species from the Ensenadan Stage (early to -middle Pleistocene).