Kitsune Classifications 
For those who might be interested I’ve collected some of the classifications 
of kitsune which studious and scholarly people use. Because I’m just a 
normal person and to not sound confusing I’ll be referring to everything 
on this web page simply as a Kitsune without further classification. After 
all, to the Japanese common person a fox was a fox. 

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Bakemono-Kitsune : a name for a sorcerer or evil fox usually as a Reiko, 
		   Kiko or Koryo i.e. some sort of non-physical fox.

Byakko : white fox, a very good omen usually a sign of serving Inari and 
	 acting as the gods messenger.

Genko : black fox, usually seen as a good omen.

Kiko : spirit fox, see Reiko.

Kitsune : fox, a general term for a fox regardless of the circumstance 
	  normally used for ‘good’ and ‘evil’ foxes alike.

Koryo : haunting fox, see Reiko.

Kuko : air fox, very bad kitsune, considered on the same level as Tengu 
       (Japanese goblins).

Nogitsune : wild fox, used at one time to differ between good and bad 
	    foxes. At the time they used ‘kitsune’ to mean a good
	    fox/messenger from Inari and nogitsune as all foxes who did 
	    mischief and tricked people. Not really considered evil, more 
	    like prankish. 

Reiko : ghost fox, perhaps not on the ‘evil’ side but definitely a ‘bad’ 
        fox. 

Shakko : red fox, could be considered good or evil, the same as Kitsune 
	 really.

Tenko : celestial fox, kitsune which have reached the age of 1,000 years, 
        they are usually said to have 9 tails (and sometimes are said to 
        have golden fur) but they are either considered very evil such as 
        Tamamo-no-mae or benevolent and wise such as messengers to Inari.

Yako/Yakan : fox, see Kitsune. 

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*Bibliography for this section taken primarily from: 

1: Kitsune: Japans fox of mystery, romance and humor; Kiyoski Nozaki 

2: Goblin fox and badger and other witch animals of Japan; U.A. Casal 

3: The Fox and badger in Japanese folklore; Marinus Willem deVisser 

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