Table T2. Age estimates of Cretaceous calcareous nannofossil datum events, Expedition 330.
| Biostratigraphic event | Age (Ma) |
Zone/Subzone base |
Reference |
|---|---|---|---|
| T Cretaceous taxa (Micula prinsii) | 65.0 | Berggren et al., 1995 | |
| B Micula prinsii | 65.4 | CC26b | Erba et al., 1995 |
| B Nephrolithus frequens | 65.8 | CC26 | Erba et al., 1995; Sissingh, 1977 |
| B Micula murus | 66.2 | CC25c | Erba et al., 1995 |
| B Lithraphidites quadratus | 67.5 | CC25b | Erba et al., 1995 |
| T Reinhardtites levis | 69.2 | CC24 | Erba et al., 1995; Sissingh, 1977 |
| T Tranolithus orionatus | 69.6 | CC24 | Erba et al., 1995; Sissingh, 1977 |
| T Uniplanarius trifidum | 71.3 | Erba et al., 1995 | |
| T Aspidolithus parcus | 74.6 | CC23a | Erba et al., 1995 |
| T Eiffellithus eximius | 75.3 | Erba et al., 1995; Sissingh, 1977 | |
| B Uniplanarius trifidum | 76.0 | CC22 | Erba et al., 1995; Sissingh, 1977 |
| B Uniplanarius sissinghii | 77.0 | CC21 | Erba et al., 1995; Sissingh, 1977 |
| B Ceratolithoides aculeus | 78.5 | CC20 | Erba et al., 1995; Sissingh, 1977 |
| B Misceomarginatus pleniporus | 79.5 | Erba et al., 1995 | |
| T Marthasterites furcatus | 80.6 | CC19 | Erba et al., 1995; Sissingh, 1977 |
| B Ceratolithoides verbeekii | 82.0 | Erba et al., 1995 | |
| B Aspidolithus parcus constrictus | 82.5 | CC18c | Erba et al., 1995 |
| B Aspidolithus parcus | 83.4 | CC18 | Erba et al., 1995; Sissingh, 1977 |
| B Arkhangelskiella cymbiformis | 83.5 | Erba et al., 1995 |
B = base, T = top.
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