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The Early Cretaceous marine deposits of the Agrio Formation are widely distributed in southern Mendoza and Neuquén provinces, Argentina. The stratigraphic distribution of upper Valanginian to upper Hauterivian organic-w...

Abstract Background Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) protein profiling has emerged over the last decade as a method of choice for species identification of many ...

Various systematic approaches have been applied to the Neogene planicostate carditids of Patagonia. Some authors have included these species within Venericor (known from the Eocene of North America and Europe) or in Mega...

Abstract This study explores the phosphorite deposits from the Lower Member of the Duwi Formation in Egypt, which forms part of the Mediterranean phosphorite belt extending from Africa to Asia. Detailed petrographical, m...

This study integrates sedimentological, ichnological and palaeoecological analyses in order to better understand the origin of a mixed siliciclastic-carbonate succession deposited during the early Late Valanginian in the...

We present new biostratigraphic data provided by ammonites, calcareous nannofossils, and calpionellids from Las Alcantarillas, a 127 m-thick section from the Neuquén Basin, western Argentina. The combined biostratigraph...