Name of Stratigraphic unit and correlation with Stage Slices:

Paltodus deltifer
Tremadocian
Tremadocian
1


Name refers to the following Stratigraphic units:



Opinion Reference

Zhen, Yong Yi et al.
2009
Conodont fauna and biostratigraphy of the Honghuayuan Formation (Early Ordovician) of Guizhou, South China


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