Abstract:International audienceCoccolithophores, major pelagic carbonate producers, underwent important changes during the latest Aalenian–Early Bajocian (ca. − 170 Ma, Middle Jurassic). Specifically, a new genus called Watznaueria diversified and started dominating the coccolith assemblages. While this change in the coccolith assemblages is already known, the impact on coccolith absolute abundances and fluxes is still misunderstood. Here we tested for the first time on Mesozoic deposits an automated counting method us… Show more
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