Foreword.-Introduction (Gabriela Cusminsky, Emiliana Bernasconi and Andrea Concheyro) .- Chapter 1 Biofaciological zonation of recent benthic foraminifera along a tropical Pacific Colombian shelf-to-slope bathymetric gradient (Ballesteros Prada and Daniel Rincón) .- Chapter 2 Modern benthic foraminifera of the Panamá Bight: A census report based on Thanatocoenoses from the continental slope (Daniel Rincón and Ballesteros Prada) .- Chapter 3 Late Pleistocene paleoenvironmental and paleoclimatic changes in southern Buenos Aires province, Argentina: evidence from diatom and sedimentary records ( Espinosa Maria A., Beilinson Elisa, Mari Florencia, Tomassini Rodrigo, Gasparini German, Rabassa Jorge and Zárate Marcelo A.) .- Chapter 4 Turonian Danian Zonation: Foraminifera and Calcareous Nanoplancton, Palynologic Correlation in the Luna and Umir formations -Middle Magdalena Valle Basin, northern Colombia (Navarrete Rosa E., Perez Panera Juan P., Parra Francisco J., Daza Diana, Sánchez Christian, Prince Mario, and Rodriguez Manuel).- Chapter 5 Turonian Santonian Zonation: Calcareous Nanoplancton and Foraminifera, Dinoflagellates Correlation in the Luna Formation -Middle Magdalena Valle Basin, northern Colombia ( Pérez Panera, Juan P., Parra, Francisco J., Navarrete, Rosa E., Sánchez G., Christian, Daza R., Diana, Rodriguez, Manuel, and Prince S., Mario ) .- Chapter 6 Calcareous microfossils (Ostracoda and Foraminifera) of the MIS 1 in its innermost sector, Rio Salado Basin (Canal las Escobas Formation, Pila, Argentina) ( Ramos, Nicolás Andrés, Carignano, Ana Paula, Cusminsky, Gabriela and Fucks, Enrique) .- Chapter 7 Danian calcareous microfossils (Ostracoda, Foraminifera and Nannofossils) from Ombucta x-1 well, Colorado Basin, Argentina ( Hiriart, L., Carignano, A.P., Cuciniello, D., Ronchi, D. and Angelozzi, G. ) .- Chapter 8 Late Miocene foraminifera and ostracoda, from Cajon valley, Catamarca, Argentina ( Zamudio, M. Belén and Morton L., Susana ) .- Chapter 9 A new microfaunistic record (Foraminifera and Ostracoda) from the Late Quaternary of Salinas del Bebedero, San Luis, Argentina: paleoenvironmental implications ( Calvo Marcilese, L., D'ambrosio, S., Rojo, L., Chiesa, J.O. and Cusminsky, G.C. ) .- Chapter 10 Late Cretaceous - Cenozoic Biostratigraphy and Palaeoenvironmental reconstruction of the Salado and Punta del Este Basins, Argentine continental margin ( Pérez Panera, J.P., Ronchi, D.I., Angelozzi, G.N., Calvo Marcilese, L., Tórtora, N., Calaramo, J.P., Lovecchio, P.R., Kress, Frieling ) . Conclusion.- References. ukryj opis