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
Category:Prehistoric tetrapods of North America is part of WikiProject Amphibians and Reptiles, an effort to make Wikipedia a standardized, informative, comprehensive and easy-to-use resource for amphibians and reptiles. If you would like to participate, you can choose to edit this article, or visit the project page for more information.Amphibians and ReptilesWikipedia:WikiProject Amphibians and ReptilesTemplate:WikiProject Amphibians and Reptilesamphibian and reptile articles
This category is part of WikiProject Animal anatomy, an attempt to organise a detailed guide to all topics related to animal anatomy apart from human anatomy. To participate, you can edit the attached article, or contribute further at WikiProject Animal anatomy. This project is an offshoot of WikiProject AnimalsAnimal anatomyWikipedia:WikiProject Animal anatomyTemplate:WikiProject Animal anatomyAnimal anatomy articles
This category is within the scope of WikiProject Palaeontology, a collaborative effort to improve the coverage of palaeontology-related topics and create a standardized, informative, comprehensive and easy-to-use resource 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.PalaeontologyWikipedia:WikiProject PalaeontologyTemplate:WikiProject PalaeontologyPalaeontology articles
This category is within the scope of WikiProject North America, a collaborative effort to improve the coverage of North America 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.North AmericaWikipedia:WikiProject North AmericaTemplate:WikiProject North AmericaNorth America articles
