Calcareous nannofossil size and abundance response to the Messinian Salinity Crisis onset and paleoenvironmental dynamics

<p>The file contains calcareous nannofossils (<em>Helicosphaera carteri, Sphenolithus abies, Umbilicosphaera rotula, Coccolithus pelagicus, Reticulofenestra minuta</em>) biometry data collected in the Messinian Perales section (Sorbas Basin, Spain) and in the Banengo and Pollenzo sections (Piedmont Basin, Italy)</p>