Marine bivalves are an important component of our global fishery, with over 500 species harvested for food and other uses. Our understanding of their potential vulnerability to extinction lags behind evaluation of freshwater bivalves or marine vertebrates, and so Shan Huang and colleagues, in analyses presented at the annual meeting of the Geological Society of America, used insights and data from the fossil record to assess extinction risk in this economically and ecologically important group.
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