The latest Triassic to earliest Jurassic transition has been widely studied due the occurrence of a major global extinction associated with hyperthermal event in this interval. Furthermore, number distinct geochemical events carbon cycle can be recognised stable-isotope record across boundary interval at many localities. Two fully-cored boreholes from East Antrim Northern Ireland (Carnduff-1 an...

A 95 m thick succession of grey siliceous limestone and marl on Mount Rettenstein in the Northern Calcareous Alps allowed us to study well-preserved diverse radiolarian assemblages across Sinemurian–Pliensbachian boundary. The distribution 31 most characteristic species is presented. Ammonites Jamesoni Subzone, topmost subzone Zone, have been previously found upper part section. data are comple...