the general topics covered include modern methods of chemo- and biostratigraphical correlation of platform successions, variation in the nature of platform facies with respect to climatic, oceanic and palaeographic settings, and the palaeoecology and evolution of rudist bivalves. a key source for those working on cretaceous stratigraphy, palaeogeography and palaeoclimatology, and tethyan biotas, as well as petroleum geologists concerned with the region.