Lexicon
Intervals
Macrostrat
Search
Steptoean
511
Type
Age
Age range
497–493
Ma
International Timescale
Furongian
Jiangshanian
Paibian
Miaolingian
Guzhangian
North American Regional
Sunwaptan
Steptoean
Marjuman
497.0
496.8
496.6
496.4
496.2
496.0
495.8
495.6
495.4
495.2
495.0
494.8
494.6
494.4
494.2
494.0
493.8
493.6
493.4
493.2
493.0
Details and map
View on map
View in Sift
