Oxygen–carbon isotope composition of Middle Jurassic–Cretaceous molluscs from the Saratov–Samara Volga region and main climate trends in the Russian Platform–Caucasus Yuri D. Zakharov Vladimir B. Seltser Mikheil V. Kakabadze Olga P. Smyshlyaeva Peter P. Safronov 10.6084/m9.figshare.9976481.v1 https://geolsoc.figshare.com/articles/journal_contribution/Oxygen_carbon_isotope_composition_of_Middle_Jurassic_Cretaceous_molluscs_from_the_Saratov_Samara_Volga_region_and_main_climate_trends_in_the_Russian_Platform_Caucasus/9976481 Table S2. Carbon and oxygen isotope composition of belemnite rostra from the Bathonian, Tithonian, Aptian, Turonian, Campanian and Maastrichtian of the Saratov–Samsra area. D — diameter of the rostrum. 2019-10-14 11:46:46 Maastrichtian diameter climate trends Jurassic mollusc Platform oxygen isotope composition Turonian Aptian Campanian Tithonian 2. belemnite rostra Volga Saratov rostrum Bathonian region Geology