This category is within the scope of WikiProject Tree of Life, a collaborative effort to improve the coverage of taxonomy and the phylogenetictree of life on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Tree of LifeWikipedia:WikiProject Tree of LifeTemplate:WikiProject Tree of Lifetaxonomic articles
This category is within the scope of WikiProject England, a collaborative effort to improve the coverage of England on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.EnglandWikipedia:WikiProject EnglandTemplate:WikiProject EnglandEngland-related articles
This category is within the scope of WikiProject Spiders, a collaborative effort to improve the coverage of Spiders on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.SpidersWikipedia:WikiProject SpidersTemplate:WikiProject SpidersSpiders articles
Start a discussion about improving the Category:Taxa named by Frederick Octavius Pickard-Cambridge page