Deletion of List of mammalian alien species

Comment: into List of fictional extraterrestrials. As Thincat and Ncboy2010 suggested, there is no suggestion that the topic "mammalian alien species" is notable and we should be clear that according to  this guideline applies equally to list articles as it does to non-list articles. I can't think of any reason to waive the guideline in this case. I applaud Ncboy2010's attempts to clean up "List of fictional extraterrestrials", but in this case I think the best approach is to impose a stricter inclusion criterion on the parent list in order to render it actually usable.  suggests that "Every entry meets the notability criteria for its own non-redirect article in the English Wikipedia" would bring it in line with "most of the best lists on Wikipedia" - a worthy goal in my view
Stance: merge
Cited policy: Wikipedia:Stand-alone lists (WP:SAL||WP:LSC)

Comment: as just plain wrong. The definitions in Mammal state that members share a common ancestor. The less stringent mammal-like would be 
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR)