1. Subfamily Acanthopleurinae Dall, 1889
   1. Genus Acanthopleura Guilding, 1830
2. Subfamily Chitoninae Rafinesque, 1815
   1. Genus Chiton Linnaeus, 1758
   2. Genus Sypharochiton Thiele, 1893
   3. Genus Tegulaplax Iredale & Hull, 1926
3. Subfamily Toniciinae Pilsbry, 1893
   1. Genus Tonicia J. E. Gray, 1840

marine, fresh, terrestrial

recent + fossil

Rafinesque, C.S. (1815). <i>Analyse de la nature ou Tableau de l'univers et des corps organisés</i>. Published by the author, Palermo. 224 pp. , available online at http://www.biodiversitylibrary.org/page/48310197
page(s): 143; note: original spelling Chitonia. [details] 

MolluscaBase eds. (2026). MolluscaBase. Chitonidae Rafinesque, 1815. Accessed through: Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Pino, L.; Poore, G. C. B.; Rewicz, T.; Rius, M.; Robinson, T. B.; Sobczyk, R.; Stepien, A.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Zhan, A. (2026) World Register of Introduced Marine Species (WRiMS) at: https://www.marinespecies.org/Introduced/aphia.php?p=taxdetails&id=64 on 2026-09-04

Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Pino, L.; Poore, G. C. B.; Rewicz, T.; Rius, M.; Robinson, T. B.; Sobczyk, R.; Stępień, A.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Zhan, A. (2026). World Register of Introduced Marine Species (WRiMS). Chitonidae Rafinesque, 1815. Accessed at: https://marinespecies.org/introduced/aphia.php?p=taxdetails&id=64 on 2026-09-04

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