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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Polyplacophora
Ordo: Ischnochitonina

Familia: Chitonidae
Genera: AcansozosteraAcanthopleuraChitonEnoplochitonLiolophura – Lucilina – Onithochiton – Rhyssoplax – Tonicia


Chitonidae Rafinesque, 1815

Rafinesque, C.S. 1815. Analyse de la nature, ou tableau de l'univers et des corps organisés. Palerme: L'Imprimerie de Jean Barravecchia. 224 pp. BHL Reference page.
Dell’Angelo, B., Landau, B.M., Van Dingenen, F. & Ceulemans, L. 2018. The upper Miocene chitons of northwest France (Mollusca: Polyplacophora). Zootaxa 4447(1): 1–62. DOI: 10.11646/zootaxa.4447.1.1 Paywall Reference page.
Arias, A.; Anadón, N. 2013: Tonicia atrata and Chiton cumingsii (Polyplacophora: Chitonidae): First records in European waters. Zootaxa 3626(4): 593–596. DOI: 10.11646/zootaxa.3626.4.14 Reference page.
O'Neill, M.H.B., 1989: The genus Rhyssoplax Thiele in the New Zealand Region (Mollusca: Polyplacophora). New Zealand Journal of Zoology, 16 (1): 81–92. Full article: [1].
Sirenko, B.I. & Zhang, J-L. 2019. Chitons (Mollusca: Polyplacophora) of Hainan Island and vicinity, South China Sea. Zootaxa 4564(1): 1–40. DOI: 10.11646/zootaxa.4564.1.1 Paywall Reference page.

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.
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


van Belle, R. A. (1981). Catalogue of Fossil Chitons. ISBN 90 6279 018 6.

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