Vorlage:Linkbox Perm (Geologie) öömrang
| Süsteem | Serie | Kirew | ≈Ääler (mya) |
|---|---|---|---|
| huuger | huuger | huuger | jonger |
| Perm | Lopingium | Changhsingium | 253,8–251 |
| Wuchiapingium | 260,4–253,8 | ||
| Guadalupium | Capitanium | 265,8–260,4 | |
| Wordium | 268–265,8 | ||
| Roadium | 270,6–268 | ||
| Cisuralium | Kungurium | 275,6–270,6 | |
| Artinskium | 284,4–275,6 | ||
| Sakmarium | 294,6–284,4 | ||
| Asselium | 299–294,6 | ||
| liager | liager | liager | ääler |