Eukaryota  >  Metazoa  >  Mollusca  >  Polyplacophora

Family	Genus	Species
Acanthochitonidae	9	43
Callistoplacidae	5	11
Callochitonidae	3	10
Chaetopleuridae	2	8
Chitonidae	12	69
Choriplacidae	1	1
Cryptoplacidae	1	6
Ferreiraellidae	1	3
Hanleyidae	1	2
Hemiarthridae	2	1
Ischnochitonidae	10	65
Lepidopleuridae	4	49
Leptochitonidae	3	6
Loricidae	2	2
Mopaliidae	12	65
Nierstraszellidae	1	3
Schizochitonidae	1	1
Schizoplacidae	1	1
Tonicellidae	8	25