Hanleya dalli Kaas, 1957 accepted as Hanleya hanleyi (W. Bean, 1844) (source of synonymy)
Ischnochiton albus (Linnaeus, 1767) accepted as Stenosemus albus (Linnaeus, 1767) (additional source)
Ischnochiton exaratus (G. O. Sars, 1878) accepted as Stenosemus exaratus (G. O. Sars, 1878) (additional source)
Lophyrochiton albus (Linnaeus, 1767) accepted as Stenosemus albus (Linnaeus, 1767) (basis of record)
Lophyrochiton albus (Linnaeus, 1767) accepted as Stenosemus albus (Linnaeus, 1767) (source of synonymy)

Baltic sea for Hanleya hanleyi (W. Bean, 1844) 
Bay of Biscay for Ischnochiton exaratus (G. O. Sars, 1878) 
Icelandic Exclusive Economic Zone for Hanleya hanleyi (W. Bean, 1844) 
Icelandic Exclusive Economic Zone for Hanleya nagelfar (Lovén, 1846) 
Icelandic Exclusive Economic Zone for Ischnochiton exaratus (G. O. Sars, 1878) 
Icelandic Exclusive Economic Zone for Lepidopleurus arcticus G. O. Sars, 1878 
Norwegian Exclusive Economic Zone for Hanleya hanleyi (W. Bean, 1844) 
Norwegian Exclusive Economic Zone for Hanleya nagelfar (Lovén, 1846) 
Norwegian Exclusive Economic Zone for Ischnochiton exaratus (G. O. Sars, 1878) 
Norwegian Exclusive Economic Zone for Lepidopleurus arcticus G. O. Sars, 1878 
Portuguese Exclusive Economic Zone for Leptochiton alveolus (Lovén, 1846) 
Scotland for Hanleya nagelfar (Lovén, 1846) 
Spanish Exclusive Economic Zone [Atlantic part] for Ischnochiton exaratus (G. O. Sars, 1878) 
United Kingdom Exclusive Economic Zone for Hanleya hanleyi (W. Bean, 1844) 

 Publication date

 for Chiton achatinus T. Brown, 1827

Year of description often erroneusly given as 1827 [details]

 Synonymy

 for Lepidopleurus arcticus G. O. Sars, 1878

Many authors have treated L. arcticus as a synonym of Leptochiton asellus (Gmelin, 1791); others conbsidered it as ... [details]