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CenozoicPlanktonicMarineDiatomDiversityandCorrelationtoClimateChangepone..g. en Solid blue line SpencerCervato based on rangethrough simple not subsampled diversity dashed red line Rabosky and Sorhannus based on rarefaction subsampling Age scale doi org pone Image file from Cite journal Lazarus Barron Renaudie Diver Trke