Type
Age
Age range
508–504.5 Ma
Miaolingian
Drumian
Wuliuan
Series 2
Stage 4
Floran
Templetonian
Ordian
Floran
Templetonian
Ordian
508.0507.8507.6507.4507.2507.0506.8506.6506.4506.2506.0505.8505.6505.4505.2505.0504.8504.6504.4