Furongian
Subdivisions

Epoch
Stage
Age (mya)
Lower Ordovician
-
-
Lower Ordovician
Floian
477.7
Lower Ordovician
Tremadocian
485.4
Furongian
-
-
Furongian
Stage 10
489.5
Furongian
Jiangshanian
494
Furongian
Paibian
497
Series 3
-
-
Series 3
Guzhangian
500.5
Series 3
Drumian
504.5
Series 3
Stage 5
509

Question: How long did Furongian last?
Answer: Furongian lasted from 497 million years ago.