CC23 zone - CC24 zone
| International Chronostratigraphic Timescale | Calcareous Nannoplankton Zones | |||
|---|---|---|---|---|
| Cretaceous | Late Cretaceous | Maastrichtian | CC26 | 66 |
| CC25 | 67.8 | |||
| CC24 | 70.2 | |||
| Campanian | CC23 | 72.2 | ||
| CC22 | 75.8 | |||
| CC21 | 76.8 | |||
| CC20 | 77.6 | |||
| CC19 | 79.1 | |||
| CC18 | 81 | |||
| CC17 | 82.8 | |||
| Santonian | 83.6 | |||
| CC16 | 85.3 | |||
| Coniacian | 85.7 | |||
| CC15 | 85.8 | |||
| CC14 | 86.5 | |||
| CC13 | 87.2 | |||
| Turonian | CC12 | 89.8 | ||
| CC11 | 90.4 | |||
| CC10 | 93.8 | |||
| Cenomanian | 93.9 | |||
| CC9 | 96.2 | |||
| Early Cretaceous | Albian | 100.5 | ||
| CC8 | 103.2 | |||
| Aptian | 113.2 | |||
| CC7 | 113.8 | |||
| Barremian | 121.4 | |||
| CC6 | 121.5 | |||
| CC5 | 125.4 | |||
| Hauterivian | 125.77 | |||
| CC4 | 128 | |||
| Valanginian | 132.6 | |||
| CC3 | 133 | |||
| Berriasian | 137.05 | |||
| CC2 | 137.4 | |||
| CC1 | 141.1 | |||
| 143.1 | ||||