Longtanian age
259.51 - 254.14 Ma
The definition of this interval in the timescale Obsolete Names for ICS Units is taken from the following source:
- W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view
There are intervals in 10 timescales which overlap this one. show
This interval is no longer in current use
This interval is used in the definition of 40 collections
A total of 5092 collections with 30620 occurrences lie within this time span
| International Chronostratigraphic Timescale | Obsolete Names for ICS Units | |||
|---|---|---|---|---|
| Permian | Lopingian | Changhsingian | 251.902 | |
| Wuchiapingian | Longtanian † | 254.14 | ||
| Guadalupian | Capitanian | 259.51 | ||
| Wordian | 264.28 | |||
| Roadian | 266.9 | |||
| Cisuralian | Kungurian | 274.4 | ||
| Artinskian | 283.3 | |||
| Sakmarian | 290.1 | |||
| Asselian | 293.52 | |||
| 298.9 | ||||