Rodents from the Middle Oligocene of Turkish Thrace / Engin Ünay-BayraktarCycloclypeus in the mediterranean oligocene = Cycloclypeus in het mediterrane oligoceen / Henricus LaaglandEvolutionary aspects of the miogypsinids in the Oligo-Miocene carbonates near Mineo (Sicily) / Antonius Franciscus Bernardus WildenborgDie oberoligocänen Bivalven : (mit Ausnahme der Taxodonten) aus dem Peelgebiete (die Niederlande) / von J. HeeringLate eocene to early oligocene dinoflagellate cysts from central and northeast Italy / Hendrik BrinkhuisDinoflagellate cysts from the Mediterranean Late Oligocene and Miocene / Daan Zevenboom