Summer 2021 marine heat wave in the Gulf of Finland from the perspective of climate warming; pp. 1–16

Neotypes for some upper Silurian acanthodian taxa from the Baltic Sea Region and the Welsh Borderland; pp. 17–24

Early and early Middle Ordovician chitinozoans from the Baldone drill core, central Latvia; pp. 25–43

A bio- and chemostratigraphic search for the Mid-Ludfordian Carbon Isotope Excursion interval in the Ludlow of the Ohesaare core, Estonia; pp. 44–60