Editor’s preface; pp. 2–2

An analogue model of melt segregation and accumulation processes in the Earth’s crust; pp. 3–10

Platystrophia (Orthida) and new related Ordovician and Early Silurian brachiopod genera; pp. 11–34

Recent developments in the Upper Ordovician and lower Silurian conodont biostratigraphy in Estonia; pp. 35–46

The sedimentary sequence recovered from the Voka outcrops, northeastern Estonia: implications for late Pleistocene stratigraphy; pp. 47–62

A new chitinozoan species from the Upper Ordovician of the East Baltic; pp. 63–64