Type
Age
Age range
307.02–306 Ma
Pennsylvanian
Kasimovian
Moscovian
Khamovnikian
Krevyakinian
Myachkovian
307.1307.0306.9306.9306.9306.8306.8306.7306.6306.6306.6306.5306.4306.4306.4306.3306.3306.2306.1306.1306.1306.0