# Simpson Group

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Simpson_Group
> Markdown URL: https://mediated.wiki/source/Simpson_Group.md
> Source: https://en.wikipedia.org/wiki/Simpson_Group
> Source revision: 1258138434
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{Infobox rockunit
| name           = Simpson Group
| image          =
| caption        =
| type           = [Group](/source/Group_(stratigraphy))
| age            =  [Ordovician](/source/Ordovician)
| prilithology   =
| otherlithology =
| namedfor       =
| namedby        =
| region         = [Oklahoma](/source/Oklahoma)
| country        = [United States](/source/United_States)
| coordinates    =
| unitof         =
| subunits       = [Bromide Formation](/source/Bromide_Formation)
| underlies      =
| overlies       =
| thickness      =
| extent         =
| area           =
| map            =
| map_caption    =
}}

The '''Simpson Group''' is a [geologic group](/source/Group_(geology)) in [Oklahoma](/source/Oklahoma). It preserves [fossils](/source/fossils) dating back to the [Ordovician](/source/Ordovician) [period](/source/Period_(geology)).

==See also==
{{Portal|Earth sciences|Oklahoma|Paleontology}}
* [List of fossiliferous stratigraphic units in Oklahoma](/source/List_of_fossiliferous_stratigraphic_units_in_Oklahoma)
* [Paleontology in Oklahoma](/source/Paleontology_in_Oklahoma)

==References==
* {{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= ((Various Contributors to the Paleobiology Database))|url= https://www.fossilworks.org|access-date= 17 December 2021|df= }}

Category:Geologic groups of Oklahoma
Category:Ordovician System of North America

{{Oklahoma-geologic-formation-stub}}
{{Ordovician-stub}}

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Adapted from the Wikipedia article [Simpson Group](https://en.wikipedia.org/wiki/Simpson_Group) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Simpson_Group?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.