Type
Zone
Age range
380.2–379 Ma
Late Devonian
Frasnian
Palmatolepis hassi
Palmatolepis punctata
Palmatolepis transitans
380.3380.2380.1380.1380.1380.0379.9379.9379.9379.8379.8379.7379.6379.6379.6379.5379.4379.4379.4379.3379.3379.2379.1379.1379.1379.0378.9