Name of Stratigraphic unit and correlation with Stage Slices:

Villaflor
Darriwilian
Darriwilian
1


Name refers to the following Stratigraphic units:



Opinion Reference

GutiƩrrez-Marco, J. C. et al.
1999
A biostratigraphical review of the Middle Ordovician shales from NW Spain (Cantabrian and Westasturian-Leonese zones, and northernmost part of the Central Iberian Zone)


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