APPENDIX
Calcareous nannofossils considered in this paper in alphabetical order of generic epithets.
Amaurolithus amplificus (Bukry and Percival, 1971) Gartner and Bukry, 1975
Amaurolithus primus (Bukry and Percival, 1971) Gartner and Bukry, 1975
Amaurolithus ninae Perch-Nielsen, 1977
Amaurolithus tricorniculatus (Gartner, 1967) Gartner and Bukry, 1975
Calcidiscus macintyrei (Bukry and Bramlette, 1969) Loeblich and Tappan, 1978
Calcidiscus premacintyrei Theodoridis, 1984
Catinaster coalitus Martini and Bramlette, 1963
Catinaster mexicanus Bukry, 1971
Ceratolithus acutus Gartner and Bukry, 1974
Ceratolithus armatus Müller, 1974
Ceratolithus cristatus Kamptner, 1950, emend. Bukry and Bramlette 1968
Ceratolithus rugosus Bukry and Bramlette, 1968
Ceratolithus telesmus Norris, 1965
Coccolithus miopelagicus Bukry, 1971, emend. Wise, 1973
Coccolithus pelagicus (Wallich, 1877) Schiller, 1930
Coronocyclus nitescens (Kamptner, 1963) Bramlette and Wilcoxon, 1967
Cyclicargolithus abisectus (Müller, 1970) Wise, 1973
Cyclicargolithus floridanus (Hay et al., 1967) Bukry, 1971
Discoaster adamanteus Bramlette and Wilcoxon, 1967
Discoaster asymmetricus Gartner, 1969
Discoaster aulakos Gartner, 1967
Discoaster bellus Bukry and Percival, 1971
Discoaster berggrenii Bukry, 1971
Discoaster blackstockae Bukry, 1973
Discoaster bollii Martini and Bramlette, 1963
Discoaster braarudii Bukry, 1971
Discoaster brouweri Tan Sin Hok, 1927, emend. Bramlette and Riedel, 1954
Discoaster calcaris Gartner, 1967
Discoaster challengeri Bramlette and Riedel, 1954
Discoaster decorus (Bukry, 1971) Bukry, 1973
Discoaster deflandrei Bramlette and Riedel, 1954
Discoaster exilis Martini and Bramlette, 1963
Discoaster hamatus Martini and Bramlette, 1963
Discoaster icarus Stradner, 1973
Discoaster intercalaris Bukry, 1971
Discoaster kugleri Martini and Bramlette, 1963
Discoaster loeblichii Bukry, 1971
Discoaster mendomobensis Wise, 1973
Discoaster micros (Theodoridis, 1984) Kaenel and Villa, 1996
Discoaster moorei Bukry, 1971
Discoaster neohamatus Bukry and Bramlette, 1969
Discoaster neorectus Bukry, 1971
Discoaster pansus (Bukry and Percival, 1971) Bukry, 1973
Discoaster pentaradiatus Tan Sin Hok, 1927, emend. Bramlette and Riedel, 1954
Discoaster perclarus Hay in Hay et al., 1967
Discoaster prepentaradiatus Bukry and Percival, 1971
Discoaster pseudovariabilis Martini and Worsley, 1971
Discoaster quinqueramus Gartner, 1969
Discoaster sanmiguelensis Bukry, 1981
Discoaster surculus Martini and Bramlette, 1963
Discoaster tristellifer Bukry, 1976
Discoaster variabilis Martini and Bramlette, 1963
Emiliania huxleyi (Lohmann, 1902) Hay and Mohler in Hay et al., 1967
Gephyrocapsa caribbeanica Boudreaux and Hay, 1967
Gephyrocapsa oceanica Kamptner, 1943
Gephyrocapsa Kamptner, 1943 (small)
Hayaster perplexus (Bramlette and Riedel, 1954) Bukry, 1973
Helicosphaera burkei Black, 1971
Helicosphaera carteri (Wallich, 1877) Kamptner, 1954
Helicosphaera euphratis Haq, 1966
Helicosphaera granulata (Bukry and Percival, 1971) Jafar and Martini, 1975
Helicosphaera inversa Gartner, 1980
Helicosphaera kamptneri (Hay and Mohler in Hay et al., 1967) Locker, 1973
Helicosphaera sellii (Bukry and Bramlette, 1969) Jafar and Martini, 1975
Helicosphaera walbersdorfensis Müller, 1974
Helicosphaera wallichii (Lohmann, 1902) Boudreaux and Hay, 1969
Pontosphaera japonica (Takayama, 1967) Nishida, 1971
Pontosphaera multipora (Kamptner, 1948) Roth, 1970, emend. Burns, 1973
Pontosphaera versa (Bramlette and Sullivan, 1961) Sherwood, 1974
Pseudoemiliania lacunosa (Kamptner, 1963) Gartner, 1969
Reticulofenestra gelida (Geitzenauer, 1972) Backman, 1978
Reticulofenestra haqii Backman, 1978
Reticulofenestra [= Dictyococcites] minuta Roth, 1970
Reticulofenestra minutula (Gartner, 1967) Haq and Berggren, 1978
Reticulofenestra perplexa (Burns, 1975) Wise, 1983
Reticulofenestra producta (Kamptner, 1963) Wei and Thierstein, 1991
Reticulofenestra pseudoumbilica (Gartner, 1967) Gartner, 1969
Reticulofenestra rotaria Theodoridis, 1984
Rhabdosphaera clavigera Murray and Blackman, 1898
Rhabdosphaera procera Martini, 1969, emend. Jafar, 1975
Scapholithus fossilis Deflandre in Deflandre and Fert, 1954
Scyphosphaera Lohmann, 1902
Sphenolithus abies Deflandre in Deflandre and Fert, 1954
Sphenolithus compactus Backman, 1980
Sphenolithus heteromorphus Deflandre, 1953
Sphenolithus moriformis (Brönnimann and Stradner, 1960) Bramlette and Wilcoxon, 1967
Sphenolithus neoabies Bukry and Bramlette, 1969
Sphenolithus verensis Backman, 1978
Syracosphaera pulchra Lohmann, 1902
Triquetrorhabdulus rugosus Bramlette and Wilcoxon, 1967
Umbellosphaera irregularis Paasche in Markali and Paasche, 1955
Umbilicosphaera jafari Müller, 1974
Umbilicosphaera rotula (Kamptner, 1956) Varol, 1982
Umbilicosphaera sibogae (Weber-van Bosse, 1901) Gaarder, 1971