Richmond Group (geology)
| Richmond Group | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Group |
| Sub-units | Big Hill Formation. Whitewater Formation |
| Location | |
| Region |  Michigan |
| Country |  United States |
The Richmond Group is a
period
.
In
E. B. Branson, Mehl and C.C. Branson published an article about the Richmond Group conodonts of Kentucky and Indiana.[1]
References
- ^ Richmond Conodonts of Kentucky and Indiana. E. B. Branson, M. G. Mehl and C. C. Branson, Journal of Paleontology, Vol. 25, No. 1 (Jan., 1951), pages 1-17 (Stable URL retrieved 29 April 2016)
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.