Fig. 7

Cross-plots of δ13C versus δ18O values of the studied brachiopod shells. The samples were extracted from the modern and fossil T. coreanica and L. rubellus shells. The cement δ13C versus δ18O values are also plotted
Cross-plots of δ13C versus δ18O values of the studied brachiopod shells. The samples were extracted from the modern and fossil T. coreanica and L. rubellus shells. The cement δ13C versus δ18O values are also plotted