This category is within the scope of WikiProject Mammals, a collaborative effort to improve the coverage of mammal-related subjects 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.MammalsWikipedia:WikiProject MammalsTemplate:WikiProject Mammalsmammal articles
Would it be useful to add a sentence at the beginning to say that the only taxanomic classes to be listed here should be genus and below? Or perhaps it might be better to create subcategories "Cretaceous mammal classes of genus and below" and "Cretaceous mammal classes of family and above". Thoughts?Anythingyouwant (talk) 00:09, 3 August 2011 (UTC)[reply]