Chitonidae

Chitonidae is a family of chitons or polyplacophorans, marine mollusks whose shell is composed of eight articulating plates or valves. There are fifteen extant genera in three subfamilies.

Chitonidae
Chiton magnificus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Polyplacophora
Order:	Chitonida
Suborder:	Chitonina
Family:	Chitonidae Rafinesque, 1815
Genera
16, 15 extant, see text

Subfamilies and genera

Subfamilies and genera within the family Chitonidae include:

• • Subfamily Chitoninae Rafinesque, 1815
    • Chiton Linnaeus, 1758 – the type genus of the family
    • Amaurochiton Thiele, 1893
    • Radsia Gray, 1847
    • Sypharochiton Thiele, 1893
    • Nodiplax Beu, 1967
    • Rhyssoplax Thiele, 1893
    • Teguloaplax Iredale & Hull, 1926
    • Mucrosquama Iredale, 1893
  • Subfamily Toniciinae Pilsbry, 1893
    • Tonicia Gray, 1847
    • Onithochiton Gray, 1847
  • Subfamily Acanthopleurinae Dall, 1889
    • Acanthopleura Guilding, 1829
    • Liolophura Pilsbry, 1893
    • Enoplochiton Gray, 1847
    • Squamopleura Nierstrasz, 1905