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 S1. Carbon and oxygen isotope composition of aragonitic mollusc (bivalve, gastropod, and ammonite) shells from the lower Bathonian, upper Callovian and lower Aptian of the Saratov region, H — height of the shell.