http://tvtropes.org/pmwiki/pmwiki.php/Main/FantasyKitchenSink and http://tvtropes.org/pmwiki/pmwiki.php/Main/LowFantasy Would it work in your opinion? Whenever I have seen fantasy kitchen sink, it has been in a more lighthearted world, and usually for kids. My story is an urban fantasy with many adult themes, and it has some dark humor in it, but its pretty dark. There are many, many different species of supernatural creatures, but I have them kind of segregated.
Scratch Low Fantasy. I would say its straight up Dark Fantasy with Kitchen Sink http://tvtropes.org/pmwiki/pmwiki.php/Main/DarkFantasy