Type
Age
Age range
334–330 Ma
Mississippian
Serpukhovian
Visean
Khatynykhian
Ovlachanian
Chuguchanian
334.0333.8333.6333.4333.2333.0332.8332.6332.4332.2332.0331.8331.6331.4331.2331.0330.8330.6330.4330.2330.0