Konstantina Agiadi^1,2, Maria Valencia Marcos^2,3, Maria Bas⁴, Alba Fuster-Alonso⁵, Jorge Mestre-Tomás⁵, Frederic Quillevere⁶ and Iuliana Vasiliev⁷, (1)University of Vienna, Department of Geology, Vienna, Austria, (2)Institut de Ciencias del Mar (ICM-CSIC), Barcelona, Spain, (3)University of Barcelona, Barcelona, Spain, (4)Institut de Ciències del Mar (ICM-CSIC), Barcelona, Spain, (5)Institut of Marine Science (ICM-CSIC), Barcelona, Spain, (6)University Claude Bernard Lyon 1, Villeurbanne, France, (7)Senckenberg Biodiversity and Climate Research Center, Frankfurt am Main, Germany