Chiton phaseolinus (T.A. de M. Monterosato,1879)
Chiton pissarroi (FOSSIL) A.E.M. Cossmann, 1903 †
Rhyssoplax politus (L. Spengler, 1797)
Rhyssoplax politus tulipa (J.R.C. Quoy& J.P. Gaimard, 1835)
Lucilina polyomma (J.R.M. Bergenhayn, 1932)
Onithochiton pruinosum A. de Rochebrune, 1884
Chiton pulcher (P. Kaas, 1990)
Chiton pulcherrimus (G.B. Sowerby, 1842)
Chiton pulvinatus (P.P. Carpenterin H.A. Pilsbry, 1893)
Tonicia pustulifera W.H. Dall, 1919
Onithochiton quercinus (A.A. Gould, 1846)
Chiton quoyi G.P. Deshayesin J.B.P.A. Lamarck, 1836
Chiton radiatum (FOSSIL) Moore †
Chiton rapaitiensis (E. Schwabe & P. Lozouet,2006)
Liolophura rehderi (A. Ferreira, 1986)
Lucilina reticulata (H.F. Nierstrasz, 1905)
Chiton rhaeticus (FOSSIL) Moore, 1861 †
Onithochiton rhygophilum A. de Rochebrune, 1884
Chiton rhynchotus (A. de Rochebrune, 1884)
Chiton rossi (FOSSIL) Smith & al., 1968 †
Tonicia rubridens H.A. Pilsbry, 1893
Chiton rugosus J.E. Gray, 1826
Lucilina russelli (FOSSIL) H.S. Ladd, 1966 †
Chiton salihafui (R.C. Bullock, 1972)
Chiton sallustii (FOSSIL) C.F. Parona, 1909 †
Tonicia schrammi R.J. Shuttleworth, 1856
Lucilina shirleyi T. Iredale, 1914
Sypharochiton sinclairi (J.E. Gray, 1843)
Tonicia smithi E.H.J. Leloup, 1980
Onithochiton societatis K.H.J. Thiele, 1909
Lucilina sowerbyi (H.F. Nierstrasz, 1905)
Chiton speciosus (H.F. Nierstrasz, 1905)
Chiton spiniferus J. Frembly
Acanthopleura spinosa (J.G. Bruguière, 1792)
Rhyssoplax spinosetatus J.R.M. Bergenhayn, 1930