Most bivalves and gastropods calcify indistinguishably from dual clumped isotope equilibrium

Research data accompanying the manuscript Most bivalves and gastropods calcify indistinguishably from dual clumped isotope equilibrium, submitted to GCA.本数据集为投稿于《Geochimica et Cosmochimica Acta》（GCA）的论文《多数双壳类与腹足类的钙化作用与双团簇同位素平衡无显著差异》的配套研究数据。