Contact: Beth King
kingb@si.edu
202-786-2094, ext 8216
Smithsonian Tropical Research Institute
Caption: Changes in the body size of fossil cupuladriid bryozoans indicate water temperature.
Credit: Aaron ODea
Usage Restrictions: Please credit to Aaron ODea, Smithsonian Tropical Research Institute
Related news release: Smithsonian study concludes Caribbean extinctions occurred 2M years after apparent cause