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Columns
26
Packages
139
Units
349
Age
3,815.5–26.235 Ma
(3.79 Gyr)
Area
588,354 km²
Max thickness
27,181 m

Fossils

Collections
564

Prevalent taxa via PaleoBioDB

Mollusca

Brachiopoda

Mammalia

Trilobita

Echinodermata

References

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

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