References
Berggren, W. A. & Miller, K. G., 1988- Paleocene tropical planktonic foraminiferal biostratigraphy and magnetobiochronology; Micropaleontology 34: 362-380.
Berggren, W. A. & Norris, R. D., 1997- Biostratigraphy, phylogeny and systematic of Paleocene trochospiral planktic foraminifera: Micropaleontology 43, Supplement 1, 116 p.
Berggren, W. A. & Pearson, P. N., 2005- A revised tropical to subtropical Paleogene planktonic foraminiferal zonation; The Journal of Foraminiferal Research 35: 279-298.
Berggren, W. A., 1969- Rates of evolution in some Cenozoic planktonic foraminifera. Micropaleontology 15: 351-365.
Berggren, W. A., Kent, D. V., Swisher, C. C. & Aubrey, M.-P., 1995- A revised Cenozoic geochronology and chronostratigraphy, in Berggren, W. A., Kent, D. V., Swisher, C. C., III, Aubry, M.-P. and Hardenbol, J., (Editors), Geochronology, Time Scales and Global Stratigraphic Correlation: SEPM (Society for Sedimentary Geology) Special Publication 54: 129-212.
Bolli, H. M., 1957- Planktonic foraminifera from the Eocene Navet Formation and San Fernando Formations in Trinidad, B.W.I., in Loeblich, A.R.Jr., and collaborators (Editors), Studies in Foraminifera: Bulletin of the United States National Museum 215: 155-172.
Caron M., 1985- Cretaceous planktic foraminifera. In: Bolli H.M., Saunders J.B., and Perch Nielsen, K. (Eds). Plankton stratigraphy. Cambridge University Press. pp. 17-86.
Chacon, B., Martin-Chivelet, J. & Grafe, K. U., 2004- Latest Santonian to latest Maastrichtian planktic foraminifera and biostratigraphy of the hemipelagic successions of the Prebetic Zone (Murcia and Alicante provinces, south-east Spain). Cretaceous Research 25: 585-601.
Darvishzad B., Ghaseminejad E., Ghourchaei S., & Keller G., 2007. Planktonic foraminiferal biostratigraphy and faunal turnover across the Cretaceous- Tertiary boundary in southwestern Iran; Journal of Sciences, Islamic Republic of Iran, 18 (2): 139-149.
Fleury, J. J., 1980- Les zones de Gavrovo-Tripolitza et du Pinde Olonos (Grece continentale et Peloponnese du Nord). Evolution d, plate-forme et dun bassin dans leur cadre Evolution dune plate-forme et dun bassin dans cardre alpin. Societe Geologique du Nord, 4: 1-648
Hardenbol, J., Thierry, J., Farley, M. B., Jacquin, Th., de Graciansky, P.C. & Vail, P.R., 1998- Mesozoic and Cenozoic sequence chronostratigraphic framework of European basins; in: De Graciansky, P.- C., Hardenbol, J., Jacquin, Th., Vail, P. R., and Farley, M. B., (Editors). Mesozoic and Cenozoic Sequence Stratigraphy of European Basins, SEPM Special Publication 60.
Huber, B. T., 1990- Maestrichtian planktonic foraminifer biostratigraphy of the Maud Rise (Weddell Sea, Antarctica): ODP Leg 113 Holes 689B and 690C. In Barker, P.F., Kennett, J.P., et al., Proccding ODP Science Results, 113: College Station, TX (Ocean Drilling Program), 489-513.
Keller, G., Li, L. & MacLeod, N., 1995- The Cretaceous/Tertiary boundary stratotype section at El Kef, Tunisia: how catastrophicwas the mass extinction? Palaeogeography, Palaeoclimatology, Palaeoecology, 119: 221-254.
Koutsoukos, E. A. M. & de Klasz, I., 2000- Late Cretaceous foraminiferal biogeography (Families Bolivinidae, Buliminellidae, Gavelinellidae, Siphogenerinoididae, Turrilinidae) in northeastern Brazilian shelf and central West African basins.,Cretaceous Research 21, 381–405
Koutsoukos, E. A. M., Leary, P. N. & Hart, M. B., 1990- Latest Cenomanian-earliest Turonian lowoxygen tolerant benthonic foraminifera: A case study from the Sergipe Basin (N.E. Brazil) and the western AngleParis Basin (Southern England): Palaeogeography, Palaeoclimatology, Palaeoecology, v. 77, p. 145-177.
Li, L. & Keller, G. 1998b- Abrupt deep-sea warming at the end of the Cretaceous. Geology, 26: 995-998.
Li, L. & Keller, G., 1998a- Maastrichtian climate, productivity and faunal turnovers in planktic foraminifera in South Atlantic DSDP Sites 525A and 21. Marine Micropaleontology, 33: 55-86.
Lirer, F., 2000- A new technique for retrieving calcareous microfossils from lithified lime deposits; Micropaleontology 46:365–369.
Loeblich, A. & Tappan, H., 1988- Foraminiferal genera and their classification; Van Nostrand Reinhold Company, 970pp. 847 plates.
Nederbragt, A. J., 1990- Maastrichtian Heterohelicidae (planktonic foraminifera) from the North West Atlantic. Micropaleontology, 8: 183–206.
Nederbragt, A. J., 1991- Late Cretaceous biostratigraphy and development of Heterohelicidae planktic foraminifera. Micropaleontology, 37:329–372.
Nederbragt, A. J., 1998- Quantitative Biogeography of Late Maastrichtian Planktic Foraminifera, micropaleontology, 44 : 385-412
Nishi, H., Takashimaa., R., Hatsugaib, T., Saitoc, T., Moriyad, K., Ennyue, A. & Sakai, T., 2003- Planktonic foraminiferal zonation in the retaceous Yezo Group, Central Hokkaido, Japan, Journal of Asian Earth Sciences 21 (2003) 867–886.
Olsson, R. K., Hemleben, C., Berggren, W. A., & Huber, B. T., 1999- Atlas of Paleocene Planktonic Foraminifera; Smithsonian Contributions to Paleobiology 85, 255 p.
Petrizzo, M. R., 2003- Late Cretaceous planktonic foraminiferal bioevents in the Tethys and in the Southern ocean record: an overview; Journal of Foraminiferal Research 23, 330-337.
Postuma, J. A., 1971- Manual of Planktonic Foraminifera; Elsevier, Amsterdam, London 397 pp.
Premoli Silva, I., & Sliter, W. V., 1995- Cretaceous planktonic foraminiferal biostratigraphy and evolutionary trends from the Bottaccione Section, Gubbio, Italy. Palaeontographica Italiana 82: 2-90
Premoli Silva, I., & Verga, D., 2004- Practical Manual of Cretaceous Planktonic Foraminifera, course 3, in Verga, D., and Rettori, R. (Editors), International School on Planktonic Foraminifera: Universities of Perugia and Milano, Tipografiadi di Pontefelcino, Perugia, Italy, 283 p.
Premoli-Silva, I. & Sliter W. V., 1981- Cretaceous planktonic foraminifers from the Nauru Basin, Leg 61, Site 462 Western equatorial Pacific. Initial Rep. Deep Sea Drill Proj. 61: 423-437 .
Robaszynski, F. and Caron, M., 1995- Foraminifères planctoniques du Crétacé: commentaire de la zonation Europe-Méditerranée. Bull. Soc. Geol. Fr, 166: 681-692.
Robaszynski, F., Caron, M., Gonzales Donoso, J. M. & Wonders, A. A. H., 1984- Atlas of Late Cretaceous Globotruncanids; Revue de Micropaléontologie 26, 145-305.
Stott, L. D., Kennett, J. P., ShackletonH, N. D. & Corliss, R. M., 1990- The evolution of Antarctic surface waters during the Paleogene: inferences from the stable isotopic composition of planktonic foraminifera, ODPLeg 113. In: Barker, P. F., Kennett, J.P., et al. Proceedings of the Ocean Drilling Program, Scientific Results, Vol. 113:849-864. College Station, Texas: Ocean Drilling Program.
Vaziri Moghaddam, H., 2002- Biostratigraphic study of the Ilam and Gurpi Formations based on planktonic foraminifera in SE of Shiraz, Iran, published in Journal of Science, Islamic Republic ofIran,13:339-356.
Wan, X., Lamolda, M. A., Si, J. & Li, G., 2005, Foraminiferal stratigraphy of Late Cretaceous red beds in southern Tibet. Cretaceous Research v. 26, p. 43-48.
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