Oxygen–carbon isotope composition of Middle Jurassic–Cretaceous molluscs from the Saratov–Samara Volga region and main climate trends in the Russian Platform–Caucasus

Table S4. Carbon and oxygen isotope composition of diageneticaly altered portions of ammonite shells from the Bathonian of the Saratov region (Sokur) and Tithonian of Samara (Maryevka-1, Molokan pier, Zavodskoj) and Moscow (Ramenskij) regions. H — height of the shell or whorl height.