Type
Zone
Age range
315.2–314.5 Ma
Pennsylvanian
Moscovian
Bashkirian
Neognathodus uralicus
Declinognathodus donetzianus
Neognathodus atokaensis
315.2315.1315.1315.1315.0314.9314.9314.9314.8314.8314.7314.6314.6314.6314.5