Genus Stenosemus Middendorff, 1847

Type species. Chiton albus Linnaeus, 1767, by subsequent designation by Winckworth, 1926.

= Lophyrus G.O. Sars, 1878 (non Lophyrus Poli, 1791, nom. null.); Chondropleura Thiele, 1906; Lepidopleuroides Thiele, 1928; Lophyrochiton Jakovleva, 1952

Genus distribution. Worldwide, intertidal to 4572 m. Miocene-Recent.