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Se presenta la taxonomía de 57 ejemplares bivalvos tanto moldes internos como externos que corresponden a tres géneros de paleotaxodontes Praectenodonta, Praenucula y Notonucula. El material proviene de 9 columnas estratigráficas levantadas en secciones del Silúrico y Devónico del Altiplano, la Cordillera oriental y el Interandino de Bolivia. Por primera vez en Bolivia, se registran los géneros Praectenodonta...
Se estudia el contenido malacológico de 3 “terrazas marinas” (TM) que afloran a lo largo de 250 km en la provincia de Santa Cruz. Se han identificado 49 moluscos (33 Gastropoda y 16 Bivalvia) y los primeros registros cuaternarios de Ataxocerithium pullum, Crepidula protea, C. aculeata, Adelomelon ferrusacii, Brachidontes rodriguezi, Aequipecten tehuelchus, Ostrea tehuelcha y Solen tehuelchus. Las...
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