1. Technological Institute of Paleoceanography and Climatic Changes – itt OCEANEON, Unisinos University, Av. Unisinos , 950, 93022-000, São Leopoldo, Rio Grande do Sul Brazil
2. Department of Museum Research and Collections and Alabama Museum of Natural History, University of Alabama , Box 870340, Tuscaloosa, Alabama 35487 , USA
3. Graduate Program in Geology, Unisinos University, Av. Unisinos 950 , 93022-000, São Leopoldo, Rio Grande do Sul Brazil
4. Institut für Geowissenschaften, Ruprecht-Karls-Universität Heidelberg , Heidelberg D-69120 , Germany