Table T4 (continued).
| LO (Ma) |
FO (Ma) |
Species | Reference | Area |
|---|---|---|---|---|
| 1.8 | 9.01 | T. torokina | 4 | Southern Ocean |
| 2.5 | 3.26 | T. vulnifica | 4 | Southern Ocean |
| 24.0? | 34.0? | Thalassiosira sp.1 (Fenner, 1978) | 2 | Southern Ocean |
Notes: LO = last occurrence, FO = first occurrence. References: 1 = Gersonde and Bárcena (1988), 2 = Gersonde et al. (1998), 3 = Gersonde and Burckle (1990), 4 = Barron and Baldauf (1995), 5 = Barron (1992), 6 = Harwood and Maruyama (1992), 7 = R. Gersonde (unpubl. data).