1. Correlation of tethyan Late Jurassic-Early Cretaceous radiolarian events;Baumgartner;Cah. Micropal., Paris,1980
2. Triassic radiolarians from Greece, Sicily and Turkey;De Wever;Micropaleontology, New York,1979
3. Upper Jurassic Radiolaria and radiolarian biostratigraphy of the California Coast Ranges;Pessagno;Micropaleontology, New York,1977
4. On the natural system of polycystine Radiolaria (Class Sarcodina);Petrushevskaya,1971
5. Mesozoic and late Tertiary Radiolaria of Rotti;Riedel;Journ. Paleont., Tulsa,1953