1. University of Vienna, Department of Paleontology, Althanstraße 14, 1090 Vienna, Austria
2. Earth Science Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 84005 Bratislava, Slovak Republic
3. Consiglio Nazionale delle Ricerche, Istituto di Scienze Marine, Castello 2737/F, 30122 Venice, Italy