Columns
29
Packages
124
Units
357
Age
477.1–0 Ma
(477.1 Myr)
Area
176,854 km²
Max thickness
27,037 m

References

2
  • Paleobiology Database. 2015.
  • Childs, O.E. Correlation of stratigraphic units of North America; COSUNA. AAPG Bulletin 69:173-180. 1985.