|
|
Age (Ma)
|
|
|
|---|---|---|---|
|
Events
|
A
|
B
|
Reference
|
| Diatoms |
|
|
|
| FO Nitzschia reinholdii | 0.65 | 0.69 | 2, 4 |
| LO Nitzschia fossilis | 0.85 | 0.92 | 4 |
| LO Rhizosolenia matuyama | 0.94 | 1.10 | 4 |
| FO Rhizosolenia matuyama | 1.10 | 1.19 | 2, 4 |
| LO Praebergonii var. robusta | 1.55 | 1.65 | 4 |
| LO Proboscia (=Simonseniella) barboi | 1.58 | 1.68 | 1, 3 |
| FO Fragilariopsis (=Pseudoeunotia) doliolus | 1.80 | 1.88 | 4 |
| LO Rhizosolenia praebergonii | 1.85 | 1.92 | 4 |
| LO Thalassiosira kolbei | 1.89 | 1.96 | 1, 3 |
| LO Thalassiosira convexa | 2.10 | 2.19 | 4 |
| FO Rhizosolenia praebergonii | 3.00 | 3.12 | 4 |
| FO Thalassiosira convexa var. convexa | 3.60 | 3.82 | 2, 4 |
| Silicoflagellate |
|
||
| LO Bachmannocena (=Mesocena) quadrangula | 0.80 | 0.80 | 5 |
Note: FO = first occurrence; LO = last occurrence. Age estimates are given as (A) adjusted to Berggren et al. (1985) and (B) converted to Shackleton et al. (1994), taken from Wei (1994). Age references: (1) Ciesielski (1983); (2) Barron (1985a, 1985b); (3) Baldauf and Barron (1991); (4) Baldauf and Iwai (1995); and (5) Locker (1996).