Table T1. List of calcareous nannofossil species considered in this study.
| Calcidiscus leptoporus (Murray and Blackman, 1898) Loeblich and Tappan, 1978 |
| Calcidiscus macintyrei (Bukry and Bramlette, 1969) Loeblich and Tappan, 1978 |
| Coccolithus pelagicus (Wallich, 1877) Schiller, 1930 |
| Emiliana huxleyi (Lohmann, 1902) Hay and Mohler in Hay et al., 1967 |
| Gephyrocapsa caribbeanica Boudreaux and Hay, 1967 |
| Gephyrocapsa oceanica Kamptner, 1943 |
| Helicosphaera selli Bukry and Bramlette, 1969 |
| Pseudoemiliana lacunosa (Kamptner, 1963) Gartner, 1969 |
| Reticulofenestra spp. |
| Reticulofenestra asanoi Sato and Takayama, 1992 |