Deterioration of symbiont-bearing morozovellid (planktic foraminifera) habitat recorded within the Early Eocene Climatic Optimum: evidence from the Tethys and sub-tropical Atlantic Ocean

Valeria Luciani (a), Luca Giusberti (b), Eliana Fornaciari (b), Domenico Rio (b), Roberta D’Onofrio (a) & Jan Backman (c)
(a) Dipartimento di Fisica e Scienze della Terra, University of Ferrara, Ferrara, Italy. E-mail: lcv@unife.it (b) Dipartimento di Geoscienze, University of Padova, Padova, Italy. (c) Department of Geology and Geochemistry, Stockholm University, SE-106 91 Stockholm, Sweden.