1. Université Bordeaux, EPOC; Pessac France
2. Sorbonne Universités (UPMC, Université Paris 06)-CNRS-IRD-MNHN; Paris France
3. Now at Instituto de Geofísica; Universidad Nacional Autónoma de México, Circuito de la investigación Científica s/n, Ciudad Universitaria; Coyoacán México
4. Department of Geology; Colgate University; Hamilton New York USA
5. College of Marine Science; University of South Florida; St. Petersburg Florida USA
6. Department of Biology; UMI 3376 TAKUVIK, CNRS, and Université Laval; Québec City Québec Canada