Permian period - Triassic period
| International Chronostratigraphic Timescale | |||
|---|---|---|---|
| Triassic | Late Triassic | Rhaetian | 201.4 |
| Norian | 208.5 | ||
| Carnian | 227 | ||
| Middle Triassic | Ladinian | 237 | |
| Anisian | 242 | ||
| Early Triassic | Olenekian | 247.2 | |
| Induan | 251.2 | ||
| Permian | Lopingian | Changhsingian | 251.902 |
| Wuchiapingian | 254.14 | ||
| Guadalupian | Capitanian | 259.51 | |
| Wordian | 264.28 | ||
| Roadian | 266.9 | ||
| Cisuralian | Kungurian | 273.01 | |
| Artinskian | 283.5 | ||
| Sakmarian | 290.1 | ||
| Asselian | 293.52 | ||
| 298.9 | |||