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Revista del Museo Argentino de Ciencias Naturales
On-line version ISSN 1853-0400
Abstract
ZAMUDIO, M. Belén. Primeras citas de ostrácodos (Crustacea) del Pleistoceno tardío de la provincia de Formosa, Argentina. Rev. Mus. Argent. Cienc. Nat. [online]. 2013, vol.15, n.2, pp.201-206. ISSN 1853-0400.
We report the presence of Quaternary ostracods in the Province of Formosa, Argentina, found on the banks of the Bermejo River, in the town of Villa Escolar. The fossil site is placed 100 km from the city of Formosa, in the region of Laishi. These outcrops were deposited at different moments of the Quaternary period during arid climate, causing the development of dunes and loess mantles. Is likely that the analyzed outcrops correspond to the Bermejo Formation (late Pleistocene). These ostracods come from clay-silt levels and belong to the genera: Cytheridella, Cyprideis, Cypridopsis and Candona. This ostracod association would indicate environments of continental influence, freshwater, shallow, silt-clay background with low energy streams.
Keywords : Ostracods; Late Pleistocene; Formosa; Argentina.