Type
Zone
Age range
358.86–358.4 Ma
Mississippian
Tournaisian
Late Devonian
Famennian
Siphonodella duplicata
Siphonodella sulcata
Siphonodella praesulcata
358.88358.86358.84358.82358.80358.78358.76358.74358.72358.70358.68358.66358.64358.62358.60358.58358.56358.54358.52358.50358.48358.46358.44358.42358.40358.38