Craspedochiton hystricosus Kaas, 1991
Hemiarthrum setulosum P. P. Carpenter, 1876
Lepidochiton albus (Linnaeus, 1767) accepted as Stenosemus albus (Linnaeus, 1767)
Lepidochiton cancellatus (G. B. Sowerby II, 1840) accepted as Leptochiton cancellatus (G. B. Sowerby II, 1840)
Nuttallochiton mirandus (Thiele, 1906)
Placiphorella atlantica (A. E. Verrill & S. Smith, 1882)
Placiphorella pacifica S. S. Berry, 1919
Placiphorella uschakovi Yakovleva, 1952 accepted as Placiphorella pacifica S. S. Berry, 1919
Placophora (Euplacophora) atlantica A. E. Verrill & S. Smith, 1882 accepted as Placiphorella atlantica (A. E. Verrill & S. Smith, 1882)
Trachydermon albus (Linnaeus, 1767) accepted as Stenosemus albus (Linnaeus, 1767)