This category is within the scope of WikiProject Templates, a group dedicated to improving the maintenance of Wikipedia's templates. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.TemplatesWikipedia:WikiProject TemplatesTemplate:WikiProject TemplatesTemplates articles
Category talk:Template-Class Geological periods articles is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information.GeologyWikipedia:WikiProject GeologyTemplate:WikiProject GeologyGeology articles
