Type
Zone
Age range
413.5–412.5 Ma
Early Devonian
Pragian
Lochkovian
Masaraella pandora morpho. Beta
Ancryodelloides trigonicus
Leanea transitans
413.5413.4413.4413.4413.3413.3413.2413.1413.1413.1413.0412.9412.9412.9412.8412.8412.7412.6412.6412.6412.5