Laia Alegret (University of Zaragoza, and corresponding member of the  Spanish Royal Academy of Sciences) has contributed to the study of various events and GSSPs of the Paleogene, mostly based on the analysis of benthic foraminifera and their geochemical signal. Her work has contributed to the paleoenvironmental reconstruction across the Cretaceous/Paleogene impact event, the Paleocene-Eocene Thermal maximum and other hyperthermal events, looking at localities globally distributed. Recently, she is focused on the study of Zealandia, the seventh and mostly submerged continent, and on the study of its evolution across the Paleogene.