Name of Stratigraphic unit and correlation with Stage Slices:

Zagornyi
Darriwilian
Katian
3


Name refers to the following Stratigraphic units:



Opinion Reference

Ainsaar et al.
2015
Carbon isotope stratigraphy and conodonts of the Middle–Upper Ordovician succession in the Tungus Basin, Siberian Craton


Opinion is based on (if other than Time Slice):