Asselian

System/ Period
Series/ Epoch
Stage/ Age
Age (Ma)
Age (Ma)
Triassic
Lower/ Early
Induan
younger
younger
Permian
Lopingian
Changhsingian
251.902
254.14
Permian
Lopingian
Wuchiapingian
254.14
259.1
Permian
Guadalupian
Capitanian
259.1
265.1
Permian
Guadalupian
Wordian
265.1
268.8
Permian
Guadalupian
Roadian
268.8
272.95
Permian
Cisuralian
Kungurian
272.95
283.5
Permian
Cisuralian
Artinskian
283.5
290.1
Permian
Cisuralian
Sakmarian
290.1
295.0
Permian
Cisuralian
Asselian
295.0
298.9
Carboniferous
Pennsylvanian
Gzhelian
older
older
Subdivision of the Permian system according to the ICS, as of 2017.
Subdivision of the Permian system according to the ICS, as of 2017.
Subdivision of the Permian system according to the ICS, as of 2017.
Subdivision of the Permian system according to the ICS, as of 2017.
Subdivision of the Permian system according to the ICS, as of 2017.

Question: What series and system have the base at the same time as that of the Asselian stage?
Answer: The base of the Asselian stage is at the same time the base of the Cisuralian series and the Permian system.