Archeologists have discovered a way to reconstruct past changes in the climate by analyzing the shells of surf clams.
Climate Warming May Have Helped Kill the Dinosaurs - Eos
Clam shells tell the story of ancient climate change
Studying clam shells for clues to the Atlantic's climate history
Alaskan Sea Shells Reveal Arctic Climate Change Impact
Elevated temperature and carbon dioxide levels alter growth rates and shell composition in the fluted giant clam, Tridacna squamosa
Shellfish for Dinner: More than just Clams and Oysters
Clam Shells Reveal Evidence of Ancient, Climate-Induced Downfall, UA Researchers Say - University of Alabama News
Minerals, Free Full-Text
Rachel Kippen, Our Ocean Backyard Santa Cruz museum teaches history through the stories of seashells – Santa Cruz Sentinel