Name of Stratigraphic unit and correlation with Stage Slices:

Vikhorev
Darriwilian
Darriwilian
1


Name refers to the following Stratigraphic units:



Opinion Reference

Koren, T. N.
2006
Biozonal stratigraphy of phanerozoic in Russia, Ordovician System


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