1. Department of Paleobiology; National Museum of Natural History; Smithsonian Institution; Washington District of Columbia
2. BugWare Inc.; Tallahassee Florida
3. Atmosphere and Ocean Research Institute; The University of Tokyo; Chiba Japan
4. GEOMAR Helmholtz Centre for Ocean Research Kiel; Kiel Germany
5. Institute for Geosciences; Christian-Albrechts University of Kiel; Kiel Germany