The Paleontology of North America

The Silurian in South Dakota, US

 map

undifferentiated rock units

See exposures in this state from the:

Quaternary
Tertiary
Cretaceous
Jurassic
Triassic
Permian
Carboniferous
Devonian
Silurian
Ordovician
Cambrian
Precambrian

Silurian Fossils
Fossil photos from Silurian in South Dakota

Paleontology and geology

There are no Silurian rocks exposed at the surface in South Dakota. However, Silurian rocks are present in the subsurface in the northern part of the state and indicate the presence of marine conditions during this time interval.

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