NN17 zone - NN18 zone
| International Chronostratigraphic Timescale | Calcareous Nannoplankton Zones | |||
|---|---|---|---|---|
| Quaternary | Holocene | Meghalayan | NN21 | 0 |
| Northgrippian | 0.0042 | |||
| Greenlandian | 0.0082 | |||
| Pleistocene | Late Pleistocene | 0.0117 | ||
| Chibanian | 0.129 | |||
| NN20 | 0.29 | |||
| NN19 | 0.42 | |||
| Calabrian | 0.774 | |||
| Gelasian | 1.8 | |||
| NN18 | 1.9 | |||
| NN17 | 2.4 | |||
| NN16 | 2.5 | |||
| 2.58 | ||||
| 3.75 | ||||