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 5048 collections with 30085 occurrences lie within this time span

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International Chronostratigraphic TimescaleObsolete Names for ICS Units
PermianLopingianChanghsingian251.902
WuchiapingianLongtanian †254.14
GuadalupianCapitanian259.51
Wordian264.28
Roadian266.9
CisuralianKungurian273.01
Artinskian283.5
Sakmarian290.1
Asselian293.52
298.9