Type
Zone
Age range
410–408.5 Ma
Early Devonian
Emsian
Eocostapolygnathus pireneae
Gondwania kindlei
Gondwania irregularis
410.0409.9409.8409.7409.6409.5409.4409.3409.2409.1409.0408.9408.8408.7408.6408.5