Table T4. Age estimates of Cretaceous planktonic foraminifer datum events, Expedition 330.
| Biostratigraphic event |
Age (Ma) |
Zone/Subzone base |
Reference |
|---|---|---|---|
| T Abathomphalus mayaroensis | 65.0 | ||
| B Abathomphalus mayaroensis | 68.6 | Abathomphalus mayaroensis | Sliter, 1989; Premoli Silva and Sliter, 1999 |
| B Racemiguembelina fructicosa | 69.6 | Racemiguembelina fructicosa | Premoli Silva and Sliter, 1999 |
| B Contusotruncana contusa | 69.6 | Premoli Silva and Sliter, 1999 | |
| B Gansserina gansseri | 72.8 | Gansserina gansseri | Sliter, 1989; Caron, 1985; Erba et al., 1995 |
| B Globotruncana aegyptiaca | 73.8 | Globotruncana aegyptiaca | Sliter, 1989; Caron, 1985; Erba et al., 1995 |
| T Radotruncana calcarata | 75.2 | Globotruncanella havanensis | Sliter, 1989; Caron, 1985; Erba et al., 1995 |
| B Radotruncana calcarata | 75.7 | Radotruncana calcarata | Sliter, 1989; Caron, 1985; Erba et al., 1995 |
| B Globotruncana ventricosa | 79.5 | Globotruncana ventricosa | Sliter, 1989; Caron, 1985; Erba et al., 1995 |
| T Dicarinella asymetrica | 83.0 | Globotruncanita elevata | Sliter, 1989; Caron, 1985; Erba et al., 1995 |
| B Globotruncanita elevata | 84.8 | Erba et al., 1995 | |
| B Dicarinella asymetrica | 85.4 | Dicarinella asymetrica | Sliter, 1989; Caron, 1985; Erba et al., 1995 |
T = top, B = base.
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