• Acanthopleura hanleyi (Bean, 1844) accepted as Hanleya hanleyi (Bean, 1844)
• Chaetopleura hanleyi (Bean, 1844) accepted as Hanleya hanleyi (Bean, 1844)
• Chiton abyssorum G. O. Sars, 1878 accepted as Hanleya hanleyi (Bean, 1844)
• Chiton alveolus M. Sars MS, Lovén, 1846 accepted as Leptochiton alveolus (Lovén, 1846)
• Chiton coronatus Locard, 1898 accepted as Placiphorella atlantica (Verrill & S. I. Smith, 1882)
• Chiton hanleyi Bean, 1844 accepted as Hanleya hanleyi (Bean, 1844)
• Chiton mendicarius Mighels & C. B. Adams, 1842 accepted as Hanleya hanleyi (Bean, 1844)
• Chiton nagelfar Lovén, 1846 accepted as Hanleya hanleyi (Bean, 1844)
• Chiton rarinota Jeffreys, 1883 accepted as Leptochiton rarinota (Jeffreys, 1883)
• Connexochiton platynomenus Kaas, 1979
• Ischnochiton (Stenosemus) delicatus Kaas, 1991 accepted as Stenosemus delicatus (Kaas, 1991)
• Ischnochiton (Stenosemus) exaratus (Sars G. O., 1878) accepted as Stenosemus exaratus (Sars G. O., 1878)
• Ischnochiton (Stenosemus) gallaecus Carmona Zalvide, Urgorri & F. J. García, 2001 accepted as Stenosemus gallaecus (Carmona Zalvide, Urgorri & F. J. García, 2001)
• Ischnochiton (Stenosemus) mexicanus Kaas, 1993 accepted as Stenosemus mexicanus (Kaas, 1993)
• Ischnochiton (Stenosemus) robustus Kaas, 1991 accepted as Stenosemus robustus (Kaas, 1991)
• Ischnochiton (Stenosemus) vanbellei Kaas, 1985 accepted as Stenosemus vanbellei (Kaas, 1985)
• Ischnochiton (Stenosemus) vitreolus Kaas, 1985 accepted as Stenosemus vitreolus (Kaas, 1985)
• Ischnochiton abyssicola A. G. Smith & Cowan, 1966 accepted as Tripoplax abyssicola (A. G. Smith & Cowan, 1966)
• Ischnochiton albus (Linnaeus, 1767) accepted as Stenosemus albus (Linnaeus, 1767)
• Ischnochiton exaratus (Sars G. O., 1878) accepted as Stenosemus exaratus (Sars G. O., 1878)
• Ischnochiton johnstoni Cotton, 1937 accepted as Ischnochiton exaratus (Sars G. O., 1878) accepted as Stenosemus exaratus (Sars G. O., 1878)
• Ischnochiton stearnsii Dall, 1902 accepted as Stenosemus stearnsii (Dall, 1902)
• Lophyrus exaratus G.O. Sars, 1878 accepted as Stenosemus exaratus (Sars G. O., 1878)
• Loricella profundior (Dell, 1956)
• Stenosemus albus (Linnaeus, 1767)
• Stenosemus chiversi Ferreira, 1981
• Stenosemus delicatus (Kaas, 1991)
• Stenosemus exaratus (Sars G. O., 1878)
• Stenosemus gallaecus (Carmona Zalvide, Urgorri & F. J. García, 2001)
• Stenosemus mexicanus (Kaas, 1993)
• Stenosemus robustus (Kaas, 1991)
• Stenosemus simplicissimus (Thiele, 1906)
• Stenosemus stearnsii (Dall, 1902)
• Stenosemus vanbellei (Kaas, 1985)
• Stenosemus vitreolus (Kaas, 1985)
• Tegulaplax boucheti (Kaas, 1989)
• Thermochiton undocostatus Saito & Okutani, 1990
• Tripoplax abyssicola (A. G. Smith & Cowan, 1966)
• Tripoplax alba (Saito, 2013)