Type
Zone
Age range
417.2–415.2 Ma
Early Devonian
Lochkovian
Lanea omoalpha
Caudicriodus postwoschmidti
Caudicriodus hesperius
417.2417.1417.0416.9416.8416.7416.6416.5416.4416.3416.2416.1416.0415.9415.8415.7415.6415.5415.4415.3415.2