1. F. T., Banner: A classification and introduction to the GlobigerinaceaIn , Aspects of Micropalaeontology, 142–239, Allen & Unwin, London., 1982.
2. F. T., Banner and W., Blow: The origin, evolution and taxonomy of the foraminiferal genus Pulleniatina Cushman, 1927Micropaleontology, New York, 13, 133–162., 1967.
3. M., Caron: Cretaceous planktonic foraminiferaChapter 4 In , Plankton Stratigraphy, 17–86Cambridge University Press., 1985.
4. H. V., Dunnington, R., Wetzel and D. M., Morton: Lexique Stratigraphique International, Asie, fasc10a, Iraq; Mesozoic and PalaeozoicC.N.R.S., Paris., 1959.
5. M., Hamaoui: On a new subgenus of Hedbergella, Israel J. Earth Sci., 13, 133-142, 1965 (1964).