Preface; pp. 1–2

Preliminary report on the Oldenburg “butter shale” in the Upper Ordovician (Katian; Richmondian) Waynesville Formation, USA; pp. 3–7

Trans-Atlantic application of the Baltic Middle and Upper Ordovician carbon isotope zonation; pp. 8–12

An updated stratigraphic and environmental framework for the distribution of Silurian vertebrates on Gotland; pp. 13–18

Calibrating water depths of Ordovician communities: lithological and ecological controls on depositional gradients in Upper Ordovician strata of southern Ohio and north-central Kentucky, USA; pp. 19–23

Ultrastructures of porostromate microproblematica from a Mulde Event (Homerian, Silurian) bioherm in Podolia, Western Ukraine; pp. 24–30

New results for Palaeozoic volcanic phases in the Prague Basin – magnetic and geochemical studies of Lištice, Czech Republic; pp. 31–35

Palaeoenvironmental signatures revealed from rare earth element (REE) compositions of vertebrate microremains of the Vesiku Bone Bed (Homerian, Wenlock), Saaremaa Island, Estonia; pp. 36–41

First record of the early Sheinwoodian carbon isotope excursion (ESCIE) from the Barrandian area of northwestern peri-Gondwana; pp. 42–46

New evidence of an early Pridoli barrier reef in the southern part of the Baltic Silurian basin based on three-dimensional seismic survey, Lithuania; pp. 47–55

Evolutionary history of the Gothograptus lineage of the Retiolitidae (Graptolithina); pp. 56–61

Pathways and mechanisms of Late Ordovician (Katian) faunal migrations of Laurentia and Baltica; pp. 62–67

Allogenic succession in Late Ordovician reefs from southeast China: a response to the Cathaysian orogeny; pp. 68–73

Colour patterns on Silurian orthocerid and pseudorthocerid conchs from Gotland – palaeoecological implications; pp. 74–79

Discovery of the messaoudensis–trifidum acritarch assemblage (upper Tremadocian–lower Floian, Lower Ordovician) in the subsurface of Morocco; pp. 80–83

The youngest representatives of the genus Ribeiria Sharpe, 1853 from the late Katian of the Prague Basin (Bohemia); pp. 84–90

New group of the Early Palaeozoic conodont-like fossils; pp. 91–94

A plant-root system in the Lower Devonian of the Holy Cross Mountains, Poland; pp. 95–98

Shell microstructure and its inheritance in the calcitic helcionellid Mackinnonia; pp. 99–104

A new species of middle Rhuddanian Halysites (Tabulata) from Meitan, northern Guizhou, Southwest China; pp. 105–109

Geochemical and palaeontological evidence for the definition of the Silurian/Devonian boundary in the Changwantang Section, Guangxi Province, China; pp. 110–114

Rare earth elements (REEs) in vertebrate microremains from the upper Pridoli Ohesaare beds of Saaremaa Island, Estonia: geochemical clues to palaeoenvironment c; pp. 115–120